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  • Expander module for contact expansion
  • 4 safety contacts, STOP 0
  • 2 Signalling outputs

Ordering data

Product type description

SRB402EM

Article number (order number)

101170840

EAN (European Article Number)

4250116201518

eCl@ss number, Version 9.0

27-37-18-19

eCl@ss number, Version 11.0

27-37-18-19

ETIM number, version 6.0

EC001449

Replacement article number

101175611

Approval - Standards

Certificates

cULus

CCC

EAC

General data

Standards

IEC 61508

EN 60947-5-1

EN 60204-1

EN ISO 13849-1

Climatic stress

EN 60068-2-78

Enclosure material

Glass-fibre reinforced thermoplastic, ventilated

Material of the contacts, electrical

AgSn0. self-cleaning, positive drive

Gross weight

250 g

General data - Features

Stop-Category

0

Wire breakage detection

Yes

Removable Terminals

Yes

Feedback circuit

Yes

Automatic reset function

Yes

Earth connection detection

Yes

Integral System Diagnostics, status

Yes

Number of auxiliary contacts

2

Number of LEDs

1

Number of openers

1

Number of safety contacts

4

Safety appraisal

Standards

EN 60947-5-1

IEC 61508

Safety appraisal - Relay outputs

Performance level, stop 0, up to

e

Category, Stop 0

4

Diagnostic Coverage (DC) Level, Stop 0

≥ 99 %

PFH-Value Stop 0

2.00 x 10⁻⁸ /h

Safety Integrity Level (SIL), Stop 0, suitable for applications in

3

Mission time

20 Year(s)

Common Cause Failure (CCF), minimum

65

Mechanical data

Mechanical life, minimum

10,000,000 Operations

Mounting

Snaps onto standard DIN rail to EN 60715

Mechanical data - Connection technique

Terminal Connector

rigid or flexible

Screw connection, plug-in

Terminal designations

IEC/EN 60947-1

Cable section, minimum

0.25 mm²

Cable section, maximum

2.5 mm²

Tightening torque of Clips

0.6 Nm

Mechanical data - Dimensions

Width

22.5 mm

Height

120 mm

Depth

121 mm

Ambient conditions

Degree of protection of the enclosure

IP40

Degree of protection of the mounting space

IP54

Degree of protection of clips or terminals

IP20

Ambient temperature, minimum

-25 °C

Ambient temperature, maximum

+45 °C

Storage and transport temperature, minimum

-40 °C

Storage and transport temperature, maximum

+85 °C

Resistance to vibrations to EN 60068-2-6

10...55 Hz, Amplitude 0.35 mm, ± 15 %

Restistance to shock

10 g / 11 ms

Ambient conditions - Insulation value

Rated impulse withstand voltage Uimp

4 kV

Overvoltage category

III

Degree of pollution to IEC/EN 60664-1

2

Electrical data

Frequency range

50 Hz

60 Hz

Rated operating voltage

24 VAC -15% / +10%

24 VDC -15% / +20%, residual ripple max. 10 %

Rated AC voltage for controls, 50 Hz, minimum

20.4 VAC

Rated control voltage at AC 50 Hz, maximum

26.4 VAC

Rated AC voltage for controls, 60 Hz, minimum

20.4 VAC

Rated control voltage at AC 60 Hz, maximum

26.4 VAC

Rated AC voltage for controls at DC minimum

20.4 VDC

Rated control voltage at DC, maximum

28.8 VDC

Electrical power consumption

1 W

Electrical power consumption

1 VA

Contact resistance, maximum

0.1 Ω

Note (Contact resistance)

in new state

Drop-out delay, maximum

35 ms

Pull-in delay at automatic start, maximum, typically

30 ms

Electrical data - Safe relay outputs

Voltage, Utilisation category AC15

230 VAC

Current, Utilisation category AC-15

6 A

Voltage, Utilisation category DC13

24 VDC

Current, Utilisation category DC13

6 A

Switching capacity, minimum

10 VDC

Switching capacity, minimum

10 mA

Switching capacity, maximum

250 VAC

Switching capacity, maximum

8 A

Electrical data - Digital inputs

Conduction resistance, maximum

40 Ω

Electrical data - Relay outputs (auxiliary contacts)

Switching capacity, maximum

24 VDC

Switching capacity, maximum

2 A

Electrical data - Electromagnetic compatibility (EMC)

EMC rating

EMC-Directive

Status indication

Indicated operating states

Position relay K1/K2

Notes

Note (General)

Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit.

Circuit example

Note (Wiring diagram)

Relay outputs: 1-channel control of the expander module is suitable for contact reinforcement or multiplication of the connected safety relay module.

Terminals X1 and X2 of the expander module must be connected to the feedback circuit or reset circuit of the safety relay module.

The wiring diagram shows the control of the expander module by a SRB... safety relay module with the guard doors closed and in de-energised condition.

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