Specifications are subject to change without notice (02.04.08) 1
Product Description
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
Multi voltage (tr
ue) delay on
release timer.
Time ranges from 1 to 600 s
covered by 3 models.
Housing 17.5 mm wide suit
-
able for DIN-rail mounting.
Fits in M36 cover.
Type Selection
Mounting Output Time range Supply: 24 VDC and 24 to 240 VAC
For DIN-rail SPDT 1 to 10 s DBB 51 C M24 10S
SPDT 6 to 60 s DBB 51 C M24 1M
SPDT 60 to 600 s DBB 51 C M24 10M
Time Specifications
Output Specifications
Time ranges
Type 10 S 1 to 10 s
Type 1 M 6 to 60 s
Type 10 M 60 to 600 s
Repeatability ≤ 0.2%
Time variation
Within rated power supply ≤ 0.05%
W
ithin ambient temperature
≤ 0.2%
Reset Power supply applied for:
DBB51CM2410S
≥ 200 ms
DBB51CM241M,
≥ 200 ms
DBB51CM2410M
≥ 400 ms
Output SPDT relay
Rated insulation voltage 250 VAC (RMS)
Contact Ratings (AgSnO
2
)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 10
6
operations
Electrical life ≥ 10
5
operations
(at 5 A, 250 V, cos ϕ = 1)
Operating frequency < 7200 operations / h
Dielectric strength
Dielectric voltage 2 kVAC (RMS)
Rated impulse withstand
voltage 2.5 kV (1.2/50
µs)
Ordering key
Housing
Function
Type
Item number
Output
Power Supply
Range
DBB 51 C M24 10M
Supply Specifications
Power supply Over
voltage cat. III
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
V
oltage interruption
≤ 40 ms
Rated operational power
AC supply: 1.5 VA
DC supply: 0.06 W
