PSR-PS21-1NO-1NC-24DC-SC - Coupling relay - 2700357

Notes

Note on application
Note on application	Only for industrial use
Utilization restriction
CCCex note	Use in potentially explosive areas is not permitted in China.

Product properties

Product type	Coupling relay
Product family	PSRmini
Application	Safe switch off
	High demand
	Low demand
	Ex
Control	Single-channel
Relay type	Electromechanical relay with force-guided contacts in accordance with IEC/EN 61810-3
Times
Typ. starting time with U_s	< 100 ms (with U_s when controlled via A1)
Typical release time	< 35 ms (when controlled via A1)
Recovery time	500 ms
Data management status
Article revision	07

Electrical properties

Maximum power dissipation for nominal condition	2.35 W (I_L² = 36 A²)
Nominal operating mode	100% operating factor
Air clearances and creepage distances between the power circuits
Rated insulation voltage	250 V AC
Rated surge voltage/insulation	Safe isolation, 6 kV reinforced insulation from control circuit, start circuit, confirmation current path, signal output to the enabling current path; 4 kV/basic insulation between all current paths and housing
Supply
Designation	A1/A2
Rated control circuit supply voltage U_S	20.4 V DC ... 26.4 V DC
Rated control circuit supply voltage U_S	24 V DC -15 % / +10 %
Rated control supply current I_S	typ. 45 mA
Power consumption at U_S	typ. 1.08 W
Inrush current	typ. 400 mA (Δt < 10 µs at U_s)
Filter time	max. 2 ms (at A1-A2; test pulse width)
Filter time		≥ 100 ms (at A1-A2; test pulse rate)
Protective circuit	Serial protection against polarity reversal; Suppressor diode 33 V
Supply
Designation	21/A2
Diagnostic supply voltage U_D	24 V DC -15 % / +10 %
Input current at U_D	6 mA (at 21-A2 for U_D; depending on load + 100 mA at M1 and 22)
Inrush current at U_D	typ. 2.5 A (Δt < 20 µs at U_D)
Protective circuit	Serial protection against polarity reversal; Suppressor diode 38 V

Output data

Relay: Enabling current path (13/14)
Output description	1 N/O contact, without delay, floating
Number of outputs	1 (safety-related)
Contact switching type	1 enabling current path
Contact material	AgSnO₂
Switching voltage	min. 12 V AC/DC
Switching voltage		max. 250 V AC/DC
Switching capacity	min. 60 mW
Inrush current	min. 3 mA
Inrush current		max. 6 A
Switching capacity in accordance with IEC 60947-5-1	4 A (24 V (DC13))
		4 A (250 V (AC15), low demand)
		2 A (250 V (AC15), high demand)
Limiting continuous current	6 A (High demand)
Limiting continuous current		4 A (Low demand)
Sq. Total current	36 A² (observe derating)
Switching frequency	max. 0.1 Hz
Mechanical service life	10x 10⁶ cycles
Output fuse	6 A gL/gG
Output fuse		4 A gL/gG (for low-demand applications)
Relay: Confirmation current path (21/22)
Output description	1 N/C contact, without delay, not floating (reference ground: A2)
Number of outputs	1 (safety-related)
Contact switching type	1 confirmation current path
Contact material	AgCuNi, + Au
Switching voltage	min. 20.4 V DC
Switching voltage		max. 26.4 V DC
Switching capacity	min. 20 mW
Inrush current	min. 1 mA
Inrush current		max. 100 mA
Limiting continuous current	100 mA
Switching frequency	max. 0.1 Hz
Mechanical service life	10x 10⁶ cycles
Output fuse	150 mA Fast-blow
Signal: M1
Output description	PNP
Number of outputs	1 (non-safety-related)
Voltage	approx. 22 V DC (U_D - 2 V)
Current	max. 100 mA
Maximum inrush current	500 mA (Δt = 1 ms at U_s)
Short-circuit protection	no
Output fuse	150 mA fast blow

Connection data

Connection technology
pluggable	no
Conductor connection
Connection method	Screw connection
Conductor cross section rigid	0.2 mm² ... 2.5 mm²
Conductor cross section flexible	0.2 mm² ... 2.5 mm²
Conductor cross-section AWG	26 ... 12
Stripping length	12 mm
Screw thread	M3
Tightening torque	0.5 Nm ... 0.6 Nm

Signaling

Status display	2 x LED (green)
Operating voltage display	1 x LED (yellow)
Error indication	1 x LED (red)

Dimensions

Width	6.8 mm
Height	93.1 mm
Depth	102.5 mm

Material specifications

Color (Housing)	yellow (RAL 1018)
Housing material	PBT

Characteristics

Safety data
Stop category	0
Safety data: EN 50156
Safety Integrity Level (SIL)	2
Safety data: IEC 61508 - High demand
Safety Integrity Level (SIL)	2
Safety data: IEC 61508 - Low demand
Safety Integrity Level (SIL)	2

Environmental and real-life conditions

Ambient conditions
Degree of protection	IP20
Min. degree of protection of inst. location	IP54
Ambient temperature (operation)	-40 °C ... 65 °C (observe derating)
Ambient temperature (storage/transport)	-40 °C ... 85 °C
Maximum altitude	≤ 2000 m (Above sea level)
Max. permissible humidity (storage/transport)	75 % (on average, 85% infrequently, non-condensing)
Max. permissible relative humidity (operation)	75 % (on average, 85% infrequently, non-condensing)
Shock	15g
Vibration (operation)	10 Hz ... 150 Hz, 2g

Approvals

ATEX
Identification	 II 3G Ex ec nC IIC T4 Gc
Certificate	UL 22 ATEX 2912X
IECEx
Identification	Ex ec nC IIC T4 Gc
Certificate	IECEx UL 22.0037X
UL, USA/Canada
Identification	cULus
Certificate	E140324
UL Ex, USA / Canada
Identification	Class I, Zone 2, AEx ec nC IIC T4 / Ex ec nC IIC Gc T4 X
Identification		Class I, Div. 2, Groups A, B, C, D, T4
Certificate	E360692
CE
Identification	CE-compliant
Environmental simulation test
Identification	G3
Certificate	ISA-S71.04
CCC / China-Ex
Identification	Ex ec nC IIC T4 Gc
Certificate	2022122304115695
DNV
Identification	C, EMC2
Certificate	11253-14 HH

Standards and regulations

Air clearances and creepage distances between the power circuits
Standards/regulations	EN 60664-1, EN 60079-7, EN 60079-15

Mounting

Mounting type	DIN rail mounting
Assembly note	See derating curve
Mounting position	vertical, horizontal, with front of module upward

Item number	2700357
Packing unit	1 pc
Minimum order quantity	1 pc
Sales key	*****
Product key	DNA172
Catalog page	Page 249 (C-6-2019)
GTIN	4046356912907
Weight per piece (including packing)	160 g
Weight per piece (excluding packing)	63.593 g
Customs tariff number	85364900
Country of origin	DE

ECLASS-11.0	27371819
ECLASS-13.0	27371819
ECLASS-12.0	27371819

EU RoHS
Fulfills EU RoHS substance requirements	Yes
Exemption	7(a), 7(c)-I
China RoHS
Environment friendly use period (EFUP)	EFUP-50 An article-related China RoHS declaration table can be found in the download area for the respective article under "Manufacturer declaration". For all articles with EFUP-E, no China RoHS declaration table issued and required.
EU REACH SVHC
REACH candidate substance (CAS No.)	Lead (CAS: 7439-92-1)
SCIP	6e5dd66a-059d-43ae-8291-b34c8fbca2b4

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PSR-PS21-1NO-1NC-24DC-SC - Coupling relay

2700357

Product details

ECLASS

ETIM

UNSPSC

DNV GL

Functional Safety

Functional Safety

cULus Listed

IECEx

ATEX