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 (true) 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%

Within 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)

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

Electrical life

(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

Overvoltage 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

Voltage interruption

≤ 40 ms

Rated operational power

AC supply:

1.5 VA

DC supply:

0.06 W