Property
time ranges within 0.1s and 100 hour.
Multi-voltage delay on release timer with 7 knob selectable
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• Time range 0.1 s to 100 h
• Knob selection of time range
• Knob-adjustable time setting
• Repeatability: ≤ 0.2%
• Output: 5 A SPDT relay
• For mounting on DIN-rail in accordance with DIN/EN
50 022
• 17.5 mm DIN-rail housing
• Combined AC and DC power supply
• LED indication for relay status and power supply ON
For mounting on DIN-rail.
Timers
Delay on Release
Type DBA52
Product Description
Type Selection
Mounting Output Housing Supply: 24 VDC and 24 to 240 VAC
DIN-rail SPDT D-Housing DBA 52 C M24
Time Specifications Output Specifications
Time ranges
Knob Selectable 0.1 to 1 s
1 to 10 s
6 to 60 s
60 to 600 s
0.1 to 1 h
1 to 10 h
10 to 100 h
Setting accuracy ≤ 5%
Repeatability ≤ 0.2%
Time variation
Within rated power supply ≤0.05%/V
Within ambient temperature ≤0.2%/ºC
Reset
Manual reset of time and/or relay Close the trigger contact
between pins A1 and Y1
Pulse duration ≥ 100 ms
Power supply interruption ≥ 200 ms
Output SPDT relay
Rated insulation voltage 250 VAC (rms)
Contact Ratings (AgSnO2) μ
Resistive loads AC 1 5 A @ 250 VAC
DC 12 5 A @ 24 VDC
Small inductive loads AC 15 2.5 A @ 250 VAC
DC 13 2.5 A @ 24 VDC
Mechanical life ≥ 30 x 106 operations
Electrical life ≥ 105 operations
(at 5 A, 250 V, cos ϕ = 1)
Operating frequency < 7200 operations/h
Dielectric strength
Dielectric voltage 2 kVAC (rms)
Rated impulse withstand volt. 2.5 kV (1.2/50 μs)
Supply Specifications
Power supply Overvoltage cat. II
Rated operational voltage (IEC 60664, IEC 60038)
through terminals:
A1, A2 24 VDC ±15% and
24 to 240 VAC
+10%/-15%, 45 to 65 Hz
Voltage interruption ≤ 10 ms
Rated operational power
AC supply 4 VA
DC supply 1.5 W
chosen range.
Time setting on relative scale: 1 to 10 with respect to the
damaging the device(See wiring diagram).
pins Y1 and A2 driven by the trigger contact without
It's possible to wire an additional load(i.e. a relay) between
again.
time period begins as soon as the trigger contact is opened
before the end of the delay time the relay keeps ON,a new
when the trigger contact is closed again. If it is closed
the power supply is disconnected. The relay operates again
The relay releases at the end of the set delay time or when
The time period begins when the trigger contact is opened.
The relay operates as soon as the trigger contact is closed.
2
Operating Diagram
DBA52
Additional Load
Yellow LED working mode
Timing: Slow blinking
General Specifications
Time Setting
Mode of Operation
Power ON delay ≤ 100 ms
Indication for
Power supply ON LED, green
Output relays ON LED, yellow
(flashing when timing)
Environment (EN 60529)
Degree of protection IP 20
Pollution degree 2 (IEC 60664)
Operating temperature -20° to +60°C, R.H. < 95%
Storage temperature -30° to +80°C, R.H. < 95%
Housing
Dimensions 17.5 x 81 x 67.2 mm
Material PA66
Weight Approx. 75 g
Screw terminals
Tightening torque Max. 0.5 Nm according to
IEC EN 60947
Approvals UL, CSA
CE Marking Yes
EMC Electromagnetic Compatibility
Immunity According to EN 61000-6-2
Emission According to EN 61000-6-3
Timer Specifications According to EN 61812-1
Function Dr - Delay on release
Power supply
Relay ON
Trigger input
T
LED
L(+)
N(-)
�
A1
15
16 18
A2
S
Y1
Wiring Diagram
Lower knob:
Setting of time range.
Incorrect knobs position: Fast blinking
Relay ON: See operation diagrams
Centr knob:e
A1 15 Y1
16 18 A2
5.
5
67.2
18.7
45
17.5
81
2
Dimensions
3