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Control Circuit and Load Protection 4-1Visit our website: www.ab.com/catalogs Table of Contents Bulletin 1492 Line Control Circuit and Load Protection Devices Page 4-2 Bulletin 1492-FB Fuse Holders Page 4-4 Bulletin 1492-CB Manual Motor Controller/Supplementary Protector/Miniature Circuit Breaker Page 4-5 Bulletin 1492-GH/GS Supplementary Protector (Miniature Circuit Breakers) Page 4-11 Bulletin 1492-SP Supplementary Protector/Miniature Circuit Breaker Page 4-14 Bulletin 1492-SPU Circuit Breaker with UL 489 Approval Page 4-21 Table_of_Contents_Tab_4.qxd 13/01/2004 17:47 Page 4-1 Bulletin 1492 Line Control Circuit and Load Protection Devices ��� Visit our website: www.ab.com/catalogs Product Overview Allen-Bradley offers a line of Miniature Circuit Breakers with UL489 (CSA 22.2 #5.1) approval, three different lines of Supplementary Protectors (Miniature Circuit Breakers), and a line of fuse holders for branch circuit fuses and supplementary fuses. Product Selection Bulletin 1492-FB Fuse Holders 1492- Fuse Holders provide a DIN Rail-mounted package for use in Class CC, Class J, and Midget fuse applications such as protection of transformers and motors. Features include: � EN/IEC 60529 finger protection — dead front construction � Compact size requiring less panel space than open-style fuse holders � Optional blown fuse indicator � Branch circuit protection with Class CC and J fuses � UL Listed, CSA Certified � DIN Rail (35 mm), mounted Bulletin 1492 Circuit Breakers Allen-Bradley Thermal Magnetic Miniature Circuit Breakers are ideal for protecting control circuitry and load components from damage due to overcurrents and short circuits. Potential applications include protection of: � Solenoids � Transformers � Computers � Power Supplies � Relay/contactor coils � PLCs � Medical Equipment � PLC I/O Points UL1077, CSA C22.2 No.235 — In North America, miniature circuit breakers are recognized as supplementary protectors and are intended for use as overcurrent protection within an appliance or UL1077, CSA C22.2 No. 235 — In North America, miniature circuit breakers are recognized as supplementary protectors and are intended for use as overcurrent protection within an appliance or other electrical equipment where branch circuit protection is already provided or not required. Internationally, these products are rated to IEC standards as miniature circuit breakers or circuit breakers for equipment. UL508, CSA 22.2 No.14 — In North America, some miniature circuit breakers, meeting specific requirements, may be used as Manual Motor Controllers for direct control of motors connected across-the- line equipment where branch circuit protection is already provided or not required. Internationally, these products are rated to IEC standards as miniature circuit breakers and applied for motor controller applications within those standards. UL489, CSA 22.2 No. 5.1 — In North America, some miniature circuit breakers, meeting specific requirements, may be used as Branch Circuit Protection devices for the protection of electric wiring as well as load protection. Type 1492-CB 1492-GH 1492-GS 1492-SP 1492-SPU Certifications UL 508 & 1077 1077 1077 1077 489 CSA 22.2 No. 14 & 235 22.2 No. 235 22.2 No. 235 22.2 No. 235 22.2 # 5.1 EN/IEC 60934 60934 60934 6089860947-2  CE Marked Yes Yes Yes Yes  No. of Poles 1,2,3 – 1+N, 3+N 1 1,2,3 1,2,3 – 1+N, 3+N 1 Volts AC 480Y/277 V 250 V 480Y/277 V 480Y/277 V 240 V Volts DC 65 V DC version — 1p-120V 2p (series) 240V 65 V 65 V 1p 48V2p (series) 125V  Current Range 0.5…52A 0.2…15A 0.2…25A 0.5…63A 0.5…20A Hp Rating 1/10…40 Hp     Trip Characteristics (In) F 3…5 G 6…10 H 12…20 G 6…12 G 6…10 B 3…5 C 5…10 D 10…20 B 3…5 C 5…10 D 10…20 Energy Limiting Yes No No Yes  No. of Pole/foot 17 24 24 17 17 Mounting Method DIN Rail DIN Rail & A-B Rail DIN Rail & A-B Rail DIN Rail DIN Rail IEC 529 and 60947 Finger Protection Yes Yes Yes Yes Yes Optional Auxiliary Contacts Yes No Yes Yes Consult Factory Shunt Trip Yes No No Yes Consult Factory Undervoltage Trip No No No Yes Consult Factory Bulletin_1492_Line.qxd 12/01/2004 20:55 Page 4-2 Bulletin 1492 Line Control Circuit and Load Protection Devices ��� Visit our website: www.ab.com/catalogs Technical Information: The Benefits of Limiting Let-Through Energy Energy Limiting Circuit Breakers Versus Conventional Breakers The Bulletin 1492-CB and 1492-SP lines feature the unique ability to achieve short circuit interruptions far more effectively than conventional circuit breakers. In conventional circuit breakers, the short circuit interruption time required is approximately one or two half cycles of an AC sine wave. When the contacts open, the resulting arc continues to burn until the current level passes through zero. The arc may re-ignite because of the insufficient width of the contact gap. The current that flows until the arc is extinguished produces a heating effect proportional to the Ι2t value (let-through-energy) of the fault current. These devices are designed to substantially reduce the amount of let-through-current and the resulting let-through-energy that can damage protected components. They have the ability to interrupt short circuit current within the first half cycle of the fault. Limiting let-through-energy will protect against the harmful effects of over-current and is focused primarily on avoiding the following: � Excessive Heat � Mechanical Damage Both of these factors are proportional to the square of the current. Thermal energy is proportional to the square of the RMS value and magnetic forces are proportional to the square of the peak value. The most effective way to provide protection is to subtantially limit let- through-energy.This provides the following advantages: � Far less damage at the location of the short circuit. � Fast electric separation of a faulty unit from the system, especially power supplies connected in parallel that are switched off when the voltage of the power bus drops below a certain level. � Far less wear on the miniature circuit breaker itself. This means more safe interruptions. � Better protection of all components in the short circuit path. � Far wider range of selective action when used with an upstream protective device. (No nuisance shut downs from feeder line interruptions causing a blackout in all connected branches.) Bulletin_1492_Line.qxd 12/01/2004 20:55 Page 4-3 Bulletin 1492-FB DIN Rail Mounting Fuse Holders ��� Visit our website: www.ab.com/catalogs Product Overview/Specifications Bulletin 1492-FB — DIN Rail Mounting Fuse Holders Bulletin 1492-FB Class CC, J, and Midget fuse holders provide a safe and convenient means for the installation of the noted fuses. These fuse holders are available with or without blown fuse indication for easily integrated overcurrent protection. The housing package isolates the fuse from the circuit when installing and removing fuses. Class CC and J holders are UL listed for branch circuit protection in electrical distribution systems. They are excellent for small motor loads and for group protection of small motors. Midget holders are UL recognized. The Bulletin 1492-FB fuse holder family is designed for use in many applications such as protection of power supplies, primary and secondary control transformers, solenoids, lighting and heater loads, drives, and other equipment protection. The Bulletin 1492-FB provides IP2 dead-front construction and is designed to be IEC 529 finger-safe. The handle isolates the fuse from the line power each time the handle is opened for fuse removal and insertion. These fuse holders accept fuses by simply sliding the fuse into the holder without the need of special tools. The fuse holders have backed- out screws for installation and mount easily on #3 DIN Rail (35 mm). The Class CC is designed to reject midget fuses or international 10 x 38 mm fuses. The Type J will reject all fuses other than Class J fuses. The compact size of the Bulletin 1492-FB fuse holders features a small footprint, requiring less panel space than open-style fuse holders. Standards Compliance Specifications Certifications Maximum Voltage Rating Fuse Withstand Rating Fuse Reject Feature Insulation Temperature Range Housing Material With Indicator Wire Size Recommended Wire Strip Length Terminal Torque Working Voltage Working Voltage Leakage Current Leakage Current Neon LED Neon LED For Class CC Fuse 30 A ULus, CSA 600V AC/DC 200 kA Yes –40…+295 °F (–40…+140 °C) UL 94V-O 95…600V AC, 115…660V DC 12…14V DC or 35…48V DC 0.8 ma Max @ 600V 10 ma @ 24V DC or 48V DC #14…6 AWG Cu 0.5 in (12.5 mm) 1.7 N•m (15 lb•in) For Class J Fuse 30 A Yes #14…2 AWG Cu 3.9 N•m (35 lb•in) 60 A 5.0 N•m (45 lb•in) For Midget Fuse 30 A URus, CSA 100 kA No #14…6 AWG Cu 1.7 N•m (15 lb•in) � EN/IEC 60529 Finger Protection — Dead Front Construction � The Patented Handle Design Isolates the Fuse from Power When Handle is Opened for Fuse Insertion or Removal � Compact Size Requiring Less Panel Space than Open-style Fuse Holders � Optional Blown Fuse Indicators — Allow for Easy Troubleshooting of Electrical Circuits � Easy Insertion/Removal of Fuses, No Special Tools Required � Rejection Feature in Type CC and Type J Fuse Holders � Mounts on Standard 35 mm DIN Rail (A-B p/n 199-DR1) � CE Marked � CSA 22.2 No. 39 UL 512 (J and CC) � EN/IEC 60947-7-1 � EN/IEC 60529 finger protection – dead front construction Table of Contents Product Selection . . . 4-5 Approximate Dimensions . . . . . . . . . 4-5 Bulletin_1492-FB.qxd 12/01/2004 21:06 Page 4-4 Bulletin 1492-FB DIN Rail Mounting Fuse Holders ��� Visit our website: www.ab.com/catalogs Product Selection/Approximate Dimensions Προδυχτ Σελεχτιον Product Selection Approximate Dimensions Dimensions are in inches (millimeters). Dimensions are not intended to be used for manufacturing purposes. Dimension Height Depth Width One-Pole Two-Pole Three-Pole For Class CC Fuse 30 A 3.07 in (78 mm) 2.13 in (54 mm) 0.69 in (17.5 mm) 1.38 in (35 mm) 2.07 in (52.5 mm) For Class J Fuse 30 A 4.49 in (114 mm) 2.20 in (56 mm) 1.28 in (32.5 mm) 2.56 in (65 mm) 3.84 in (97.5 mm) 60 A 4.8 in (122 mm) 2.44 in (62 mm) 1.57 in (40 mm) 3.15 in (80 mm) 4.72 in (120 mm) For Midget Fuse 30 A 3.07 in (78 mm) 2.13 in (54 mm) 0.69 in (17.5 mm) 1.38 in (35 mm) 2.07 in (52.5 mm) Description For Class CC Fuse For Class J Fuse For Midget Fuse 30 A✶ 30 A 60 A 30 A Cat. No. Cat. No. Cat. No. Cat. No. One-Pole Without Blown Fuse Indicator 1492-FB1C30 1492-FB1C30 1492-FB1J60 1492-FB1M30 With Blown Fuse Indicator (neon) 1492-FB1C30-L 1492-FB1J30-L 1492-FB1J60-L 1492-FB1M30-L With Blown Fuse Indicator (LED) 24V DC 1492-FB1C30-D1 — — 1492-FB1M30-D1 With Blown Fuse Indicator (LED) 48V DC 1492-FB1C30-D2 — — 1492-FB1M30-D2 Pieces per Carton 6 Two-Pole Without Blown Fuse Indicator 1492-FB2C30 1492-FB2J30 1492-FB2J60 1492-FB2M30 With Blown Fuse Indicator (neon) 1492-FB2C30-L 1492-FB2J30-L 1492-FB2J60-L 1492-FB2M30-L Pieces per Carton 3 Three-Pole Without Blown Fuse Indicator 1492-FB3C30 1492-FB3J30 1492-FB3J60 1492-FB3M30 With Blown Fuse Indicator (neon) 1492-FB3C30-L 1492-FB3J30-L 1492-FB3J60-L 1492-FB3M30-L Pieces per Carton 2 ✶ All major fuse brands and current ranges have been evaluated for this fuse holder. Due to the heat they generate, the following fuses must be derated: Ferraz Shamut ATQR 1.25 � = 0.42 A max. Ferraz Shamut ATQR 1.40 � = 0.47 A max. Bulletin_1492-FB.qxd 12/01/2004 21:06 Page 4-5 Bulletin 1492-CB Manual Motor Controller/Supplementary Protector/Miniature Circuit Breaker ��� Visit our website: www.ab.com/catalogs Product Overview Standards Compliance Multiple of Rated Current (x�n) H-Trip Curve Multiple of Rated Current (x�n) G-Trip Curve Multiple of Rated Current (x�n) F-Trip Curve Bulletin 1492-CB — Manual Motor Controller/Supplementary Protector/Miniature Circuit Breaker � Both a Manual Motor Controller and a Supplementary Protector in one Convenient Package (Series C Devices) � Suitable for use as Motor Disconnect (0.5…30 A) � AC and DC Voltage Ratings — in One Convenient Device � Higher Voltage DC Rating in Similar Package (DF, DG, DH) � Energy Limiting Design — Protects Downstream Components Better than Conventional Breakers During Short Circuits � Field-Mountable Options for Selective Applications � True IP2X Finger-Safe Design (Top and Sides) � International Approvals — CE Marked, and Meets UL, CSA, and IEC (VDE) Standards for Worldwide Acceptance � Ratings to 480Y/277V AC @ 125V AC — 10 000 A U2 Interrupting Capability � A Positively Trip-Free Mechanism (Breaker Operation Cannot be Defeated by Holding the Handle in the ON Position) � Three Trip Curves: F, G, and H Table of Contents Product Selection . . . 4-7 Specifications . . . . . . . 4-10 Approximate Dimensions . . . . . . . . . 4-10 � UL 508, 1077 � CSA 22.2 No. 14, 235 � IEC/EN 60950,60934 � VDE 0641, 0660 Bulletin 1492-CB Series C devices may be applied as manual motor controllers for direct control of motors connected across-the-line, meeting UL 508/CSA 22.2 No 14. Additionally, these devices are intended for use as a motor disconnect ✶ and can be locked in the OFF position when used with the locking device kit. These devices are provided with an internal, nonreplaceable, fixed thermal (bimetal type) overload trip feature and instantaneous magnetic trip feature designed to trip open the controller main contacts upon overcurrent. They are suitable for providing motor overload protection. These devices may be applied in Group Motor applications. These devices are also rated as a controller and disconnect for AC general use loads and AC resistive (heating) loads. The Bulletin 1492-CB supplementary protectors/miniature circuit breakers are available in one-, one-pole plus neutral, two-, three-, and three-pole plus neutral units. One- and two-pole AC units also have limited DC ratings. Two and three-pole units are connected at the handle for simultaneous operation. In addition, the product line includes devices that are specifically rated for DC with trip curves, DF, DG and DH. Screw termination is standard on all Bulletin 1492- CB units. Both line and load side terminals accept #16…4 AWG (1.5…25 mm2) copper wire. Bulletin 1492-CB supplementary protectors/miniature circuit breakers are designed to comply with standards for world-wide customer acceptance. They meet the following standards: Bulletin 1492-CB series B and series C are “energy limiting” thermal magnetic type overcurrent protectors meeting UL 1077/CSA 22.2 No. 235, IEC/EN 60934. These devices are designed for the protection of a wide variety of products including: � Solenoids � Test Equipment � Controller I/O Points � Relay and Contactor Coils � Computers � Transformers � Automotive Systems � Power Supplies � Medical Equipment � Control Instrumentation Bulletin_1492-CB-Manual_Motor_Controller.qxd 13/01/2004 17:08 Page 4-6 Bulletin 1492-CB Manual Motor Controller/Supplementary Protector/Miniature Circuit Breaker ��� Visit our website: www.ab.com/catalogs Product Selection Product Selection Note: Bulletin 1492-CB Circuit Breakers are also available with neutral (1-pole and 3-pole). Devices with Neutral are rated as Supplementary Protectors only, with a Component Recognition. Add a suffix of -N to cat. no. Tripping Characteristic F Trip Resistive or Slightly Inductive G Trip Inductive H Trip Highly Inductive 3…5 In 6…10 In 12…20 In Number of Poles Continuous Current Rating (In) Ampere Maximum Hp 1p @ 277V AC, 1-phase 2p @ 480V AC, 1-phase 3p @ 480V AC, 3-phase Cat. No. Cat. No. Cat. No. 1-Pole 1 Piece per Carton 0.5  1492-CB1F005 1492-CB1G005 1492-CB1H005 1  1492-CB1F010 1492-CB1G010 1492-CB1H010 1.5 1/10 1492-CB1F015 1492-CB1G015 1492-CB1H015 2 1/6 1492-CB1F020 1492-CB1G020 1492-CB1H020 3 1/3 1492-CB1F030 1492-CB1G030 1492-CB1H030 4 1/3 1492-CB1F040 1492-CB1G040 1492-CB1H040 5 1/2 1492-CB1F050 1492-CB1G050 1492-CB1H050 6 3/4 1492-CB1F060 1492-CB1G060 1492-CB1H060 7 1 1492-CB1F070 1492-CB1G070 1492-CB1H070 8 1 1492-CB1F080 1492-CB1G080 1492-CB1H080 10 2 1492-CB1F100 1492-CB1G100 1492-CB1H100 12 2 1492-CB1F120 1492-CB1G120 1492-CB1H120 15 3 1492-CB1F150 1492-CB1G150 1492-CB1H150 16 3 1492-CB1F160 1492-CB1G160 1492-CB1H160 20 3 1492-CB1F200 1492-CB1G200 1492-CB1H200 25 5 1492-CB1F250 1492-CB1G250 1492-CB1H250 30 5 1492-CB1F300 1492-CB1G300 1492-CB1H300 32 5 1492-CB1F320 1492-CB1G320 1492-CB1H320 40 7.5 1492-CB1F400 1492-CB1G400 1492-CB1H400 50 10 1492-CB1F500 1492-CB1G500 1492-CB1H500 52 10 1492-CB1F520 1492-CB1G520 1492-CB1H520 2-Pole 1 Piece per Carton 0.5  1492-CB2F005 1492-CB2G005 1492-CB2H005 1  1492-CB2F010 1492-CB2G010 1492-CB2H010 1.5  1492-CB2F015 1492-CB2G015 1492-CB2H015 2  1492-CB2F020 1492-CB2G020 1492-CB2H020 3 1/2 1492-CB2F030 1492-CB2G030 1492-CB2H030 4 1 1492-CB2F040 1492-CB2G040 1492-CB2H040 5 1.5 1492-CB2F050 1492-CB2G050 1492-CB2H050 6 2 1492-CB2F060 1492-CB2G060 1492-CB2H060 7 2 1492-CB2F070 1492-CB2G070 1492-CB2H070 8 2 1492-CB2F080 1492-CB2G080 1492-CB2H080 10 3 1492-CB2F100 1492-CB2G100 1492-CB2H100 12 3 1492-CB2F120 1492-CB2G120 1492-CB2H120 15 5 1492-CB2F150 1492-CB2G150 1492-CB2H150 16 5 1492-CB2F160 1492-CB2G160 1492-CB2H160 20 5 1492-CB2F200 1492-CB2G200 1492-CB2H200 25 7.5 1492-CB2F250 1492-CB2G250 1492-CB2H250 30 10 1492-CB2F300 1492-CB2G300 1492-CB2H300 32 10 1492-CB2F320 1492-CB2G320 1492-CB2H320 40 15 1492-CB2F400 1492-CB2G400 1492-CB2H400 50 20 1492-CB2F500 1492-CB2G500 1492-CB2H500 52 20 1492-CB2F520 1492-CB2G520 1492-CB2H520 Bulletin_1492-CB-Manual_Motor_Controller.qxd 13/01/2004 17:08 Page 4-7 Bulletin 1492-CB Manual Motor Controller/Supplementary Protector/Miniature Circuit Breaker ��� Visit our website: www.ab.com/catalogs Product Selection Προδυχτ Σελεχτιον Note: 1492-CB Circuit Breakers are also available with neutral (1-pole and 3-pole). Devices with neutral are rated as Supplementary Protectors only with a Component Recognition. Add a suffix of -N to catalog number. Note: Bulletin 1492-CB Circuit Breakers are also available with specific DC ratings (1- and 2-pole). DC specific rated devices are available as Supplementary Protectors only, with Component Recognition. Tripping Characteristic DF Trip Resistive or Slightly Inductive DG Trip Inductive DH Trip Highly Inductive 4.5…8 In 9…16 In 18…32 In Number of Poles Continuous Current Rating (In) Amphere Cat. No. Cat. No. Cat. No. 2-Pole 1 Piece per Carton 0.5 1492-CB2DF005 1492-CB2DG005 — 1 1492-CB2DF010 1492-CB2DG010 — 2 1492-CB2DF020 1492-CB2DG020 — 3 1492-CB2DF030 1492-CB2DG030 — 4 1492-CB2DF040 1492-CB2DG040 — 5 1492-CB2DF050 1492-CB2DG050 — 6 1492-CB2DF060 1492-CB2DG060 1492-CB2DH060 7 1492-CB2DF070 1492-CB2DG070 1492-CB2DH070 8 1492-CB2DF080 1492-CB2DG080 1492-CB2DH080 10 1492-CB2DF100 1492-CB2DG100 1492-CB2DH100 12 1492-CB2DF120 1492-CB2DG120 1492-CB2DH120 15 1492-CB2DF150 1492-CB2DG150 1492-CB2DH150 16 1492-CB2DF160 1492-CB2DG160 1492-CB2DH160 20 1492-CB2DF200 1492-CB2DG200 1492-CB2DH200 25 1492-CB2DF250 1492-CB2DG250 1492-CB2DH250 30 1492-CB2DF300 1492-CB2DG300 1492-CB2DH300 32 1492-CB2DF320 1492-CB2DG320 1492-CB2DH320 40 1492-CB2DF400 1492-CB2DG400 1492-CB2DH400 Tripping Characteristic F Trip Resistive or Slightly Inductive G Trip Inductive H Trip Highly Inductive 3…5 In 6…10 In 12…20 In Number of Poles Continuous Current Rating (In) Ampere Maximum Hp 1p @ 277V AC, 1-phase 2p @ 480V AC, 1-phase 3p @ 480V AC, 3-phase Cat. No. Cat. No. Cat. No. 3-Pole 1 Piece per Carton 0.5  1492-CB3F005 1492-CB3G005 1492-CB3H005 1  1492-CB3F010 1492-CB3G010 1492-CB3H010 1.5 1/2 1492-CB3F015 1492-CB3G015 1492-CB3H015 2 3 1492-CB3F020 1492-CB3F020 1492-CB3F020 3 1.5 1492-CB3F030 1492-CB3G030 1492-CB3H030