Timers
True Delay on Release
Type DBB51
• Time range 1 to 600 s - capacitor powered
• Knob-adjustable time setting
• Automatic start after drop-out of power supply
• 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 (DIN 43880)
• Combined AC and DC power supply
• LED indication for relay status and power supply ON
Product Description
Multi voltage (true) delay on Housing 17.5 mm wide suit-
Ordering key
DBB 51 C M24 10M
Housing
Function
Type
release timer.
able for DIN-rail mounting.
Time ranges from 1 to 600 s Fits in M36 cover.
covered by 3 models.
Item number
Output
Power Supply
Range
Type Selection
Mounting
Output
Time range
Supply: 24 VDC and 24 to 240 VAC
For DIN-rail
SPDT
SPDT
SPDT
1 to 10 s
6 to 60 s
60 to 600 s
DBB 51 C M24 10S
DBB 51 C M24 1M
DBB 51 C M24 10M
Output Specifications
Time Specifications
Time ranges
Type 10 S
Type 1 M
Output
SPDT relay
1
6
to 10 s
to 60 s
Rated insulation voltage
250 VAC (RMS)
Contact Ratings (AgSnO2)
µ
Type 10 M
60 to 600 s
Resistive loads
AC 1
5 A @ 250 VAC
Repeatability
Time variation
Within rated power supply
Within ambient temperature ≤ 0.2%
≤ 0.2%
DC 12 5 A @ 24 VDC
AC 15 2.5 A @ 250 VAC
DC 13 2.5 A @ 24 VDC
Small inductive loads
≤ 0.05%
Mechanical life
Electrical life
≥ 30 x 106 operations
Reset
Power supply applied for:
≥ 105 operations
(at 5 A, 250 V, cos ϕ = 1)
DBB51CM2410S
DBB51CM241M,
DBB51CM2410M
≥ 200 ms
≥ 200 ms
≥ 400 ms
Operating frequency
< 7200 operations / h
Dielectric strength
Dielectric voltage
2 kVAC (RMS)
Rated impulse withstand
voltage
Supply Specifications
2.5 kV (1.2/50µs)
Power supply
Rated operational voltage
through terminals: A1, A2
Overvoltage cat. III
(IEC 60664, IEC 60038)
24 VDC 15% and
24 to 240 VAC +10% -15%,
45 to 65 Hz
Voltage interruption
≤ 40 ms
Rated operational power
AC supply:
1.5 VA
0.06 W
DC supply:
Specifications are subject to change without notice (02.04.08)
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