PSR-PE20-1NO-24DC-SC - Coupling relay

1119573

Coupling relay for SIL 3 low-demand applications, couples digital output signals to the I/O, 1 undelayed enabling current path, safe state off applications, test pulse filter, plug-in screw terminal block

Note on application
Note on application	Only for industrial use

Product type	Coupling relay
Product family	PSRclassic
Application	Safe switch off
	Low demand
Set comprises	1272930 PSR-PE20-1NO-24DC-SC-SET60
Control	1-channel
Mechanical service life	10x 10⁶ cycles
Relay type	Electromechanical relay in accordance with IEC/EN 61810
Insulation characteristics
Overvoltage category	III
Degree of pollution	2
Times
Typ. starting time with U_s	< 70 ms (when controlled via A3 at U_S)
Typical release time	< 50 ms (on demand via A3 at U_s)
Recovery time	500 ms

Maximum power dissipation for nominal condition	2.36 W (U_B = 26.4 V, U_S = 24 V, I_S = 40 mA, I_L² = 16 A, R_contact = 0.075 Ω)
Nominal operating mode	100% operating factor
Rated insulation voltage	250 V AC
Rated surge voltage/insulation	Safe isolation, reinforced insulation 6.4 kV between 250 V load current paths and 24 V logic paths
	Basic insulation 4 kV between all current paths and housing
Supply
Designation	3/4
Rated control circuit supply voltage U_S	21.6 V DC ... 26.4 V DC
Rated control circuit supply voltage U_S	24 V DC -10 % ... +10 %
Rated control supply current I_S	40 mA
Power consumption at U_S	960 mW
Inrush current	typ. 100 mA (Δt = 10 ms at U_s)
Filter time	1 ms (in the event of voltage dips at U_s)
Protective circuit	Serial protection against polarity reversal; Suppressor diode, 38.6 V/600 W (connections 3/4)

Relay: Enabling current path (5/6)
Output description	3 N/O contacts in series, without delay, floating
Number of outputs	1 (safety-related)
Contact switching type	1 enabling current path
Contact material	AgSnO₂, gold-plated
Switching voltage	min. 12 V DC
	max. 250 V AC/DC (Observe the load curve)
Switching capacity	min. 120 mW
Inrush current	min. 10 mA
	max. 4 A
Limiting continuous current	4 A (Low demand)
Sq. Total current	16 A² (Low-demand, observe derating)
Switching frequency	1 Hz
Mechanical service life	10x 10⁶ cycles
Output fuse	4 A gL/gG (for low-demand applications)

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	24 ... 12
Stripping length	7 mm
Screw thread	M3
Tightening torque	0.6 Nm

Status display	1 x LED (green)

Width	12.5 mm
Height	99 mm
Depth	114.5 mm

Color (Housing)	traffic grey B (RAL 7043)
Housing material	PA

Safety data: IEC 61508 - Low-demand for 1-channel wiring (1oo3 structure without diagnostics)
Safety Integrity Level (SIL)	3

Ambient conditions
Degree of protection	IP20
Min. degree of protection of inst. location	IP54
Ambient temperature (operation)	-40 °C ... 70 °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

CE
Identification	CE-compliant

Mounting type	DIN rail mounting
Assembly note	See derating curve
Mounting position	vertical or horizontal

Item number	1119573
Packing unit	1 pc
Minimum order quantity	1 pc
Sales key	DNA
Product key	DNA161
GTIN	4063151049638
Weight per piece (including packing)	124.7 g
Weight per piece (excluding packing)	93.23 g
Customs tariff number	85371098
Country of origin	DE

Compatible products

Accessories

Your advantages

Up to SIL 3 in accordance with IEC 61508, IEC 61511, and IEC 50156

Low housing width of just 12.5 mm

Long service life thanks to filtering of controller test pulses

1 enabling current path

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	22cfc7d0-5b14-45ac-b944-1240cb05b142

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-PE20-1NO-24DC-SC - Coupling relay

1119573

Product details

ECLASS

ETIM

UNSPSC

Functional Safety

cULus Listed

Compatible products

Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-PE20-1NO-24DC-SC - Coupling relay 1119573

Product details

ECLASS

ETIM

UNSPSC

Compatible products

CP-MSTB - Coding profile 1734634

CR-MSTB - Coding section 1734401

CRIMPFOX 6 - Crimping pliers 1212034

Your advantages

PSR-PE20-1NO-24DC-SC - Coupling relay

1119573