2

Specifications are subject to change without notice (02.04.08)

DBB51

Operation Diagram

General Specifications

Housing

Dimensions

17.5 x 81 x 67.2 mm

Material

PA66

Weight

70 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

When the power supply is

applied the relay operates.

When the power supply is

interrupted the time period

starts and, at the end of the

set time period, the relay

releases.

If power supply is reapplied

before the relay releases the

time is reset and the relay

remains ON.

Note:

DBB51 shoud not be oper-

ated by pulses shorter than

200 ms.

For

these

puroposes

the

relay DMB51, operated by

external

contact

function,

should be used.

Time setting

Knob adjustable on absolute

scale.

Wiring Diagram

A1

A2

m

15

16

18

L(+)

N(-)

Mode of Operation/Settings

ON

OFF

Dimensions

67.2

18.7

17.5

Power ON delay

≤ 200 ms

Power OFF delay

≤ 100 ms

Indication for

Power supply ON

LED, green

Output relay ON

LED, yellow (flashing when

timing)

Environment

(EN 60529)

Degree of protection

IP 20

Pollution degree

3 (IEC 60664)

Operating temperature

-20 to 60 °C, R.H. < 95%

Storage temperature

-30 to 80 °C, R.H. < 95%