Product designation				SRB
Product type designation				Single function
General characteristics
Functions				Emergency stop
Auxiliary supply
Nominal auxiliary voltage supply				24VAC/DC
Operating range			V	22...26VDC / 20.4...27.6VAC
Frequency range			Hz	50/60
Overvoltage category				III
Insulation voltage			kV	4
Protections				Short circuit with PTC
Input characteristics
Number of inputs			Nr.	2
Resistance input circuit			kΩ	Max 1
Input current			mA	Typical 5
Output characteristics
Number of safe outputs NO			Nr.	3
Number of safe outputs NC			Nr.	1
Number of feedback outputs			Nr.	0
Output type				Voltage free contacts, relays with forcibly guided contacts
Output contacts ratings				AC1 250V: 6A-2000VA AC15 230V: 3A DC1 24V: 6A DC13 24V: 2.5A
UL 508 ratings				Pilot duty: B300-R300
Mechanical life			cycles	>10⁷
Electrical life AC1 at 360 commutations/h			cycles	10⁵
Safety parameters
ISO 13849-1 security category				Cat. 4
ISO 13849-1 performance level				PLe
Mechanical features
Cable connection				Removable screw terminal
Fixing				35mm DIN rail
Weight			g	230
Ambient conditions
Protection degree				IP40 on front IP20 on terminals
Pollution degree				2
Temperature
	Operating temperature
		min	°C	-25
		max	°C	+60
	Storage temperature
		min	°C	-30
		max	°C	+70
Relative humidity			%	≤95
ETIM classification
ETIM 8.0				EC001449 - Device for monitoring of safety-related circuits

cULus
TUV

EN/BS 13849-1
EN/BS 81-20
EN/BS 81-50

SRBES31

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Safety relay SRB… series, single function, 3NO+1NC, for emergency stop, auxiliary supply 24VAC/DC, up to CAT.4, PLe

Order code	SRBES31
Weight [g]	200
Qty. per package	1
Multiple qty. of packs per order	1
Package dimensions [mm]	130X120X025
Volume [cm³]	390
Bar code [EAN13]	8013975295458
HS Code	85364190

Data Sheet

360°

Dimensions

Wiring diagram

Catalogue