PSR-PC51-1NO-1NC-24DC-SC - Coupling relay

2702522

Coupling relay for electrical isolation and power adaptation for SIL 3 F&G applications, low demand, load diagnostics in the Off and On state for wire break and short circuit, 1 enabling current path, test pulse filter, plug-in screw terminal block, width: 17.5 mm

Product details

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 type	Coupling relay
Product family	PSRmini
Application	Safe switch on
	Low demand
	Ex
Control	1 and 2 channel
Relay type	Electromechanical relay
Insulation characteristics
Overvoltage category	III
Degree of pollution	2
Times
Typ. starting time with U_s	typ. 100 ms (when controlled via A1-A2)
Typical release time	typ. 30 ms (when controlled via A1-A2)
Recovery time	1 s (when controlled via A1-A2)
	3 s (Availability time for diagnostics after U_D is applied)

Maximum power dissipation for nominal condition	3.8 W (ati U_B = 26.4 V DC, U_BD = 26.4 V DC, I_L = 3 A)
Nominal operating mode	100% operating factor
Rated insulation voltage	250 V AC
Rated surge voltage/insulation	Basic insulation 4 kV between all current paths and housing
	Safe isolation, 6 kV reinforced insulation from (A1/A2, 24V/0V, 21/22, and TP1/TP2/TP3) to the enabling current path (L, L', LO, LO', NI, NI', N,N')
Supply
Designation	A1/A2
Rated control circuit supply voltage U_S	24 V DC -15 % / +10 %
Rated control supply current I_S	typ. 75 mA
Power consumption at U_S	typ. 2 W (at U_S/U_D; On state)
Inrush current	max. 100 mA
Filter time	2 ms (at A1-A2 in the event of voltage dips at U_s)
	max. 2 ms (at A1-A2; low test pulse width)
	≥ 100 ms (at A1-A2; low test pulse rate)
	max. 17 ms (at A1-A2; high test pulse width)
	≥ 800 ms (at A1-A2; high test pulse rate)
Protective circuit	Surge protection; 36 V suppressor diode
	Reverse polarity protection
Supply
Designation	24V/0V
Diagnostic supply voltage U_D	24 V DC -20 % / +25 %
Input current at U_D	35 mA (at U_D = 24 V)
	45 mA (at U_D = 19 V)
	25 mA (at U_D = 30 V)
Inrush current at U_D	1.5 A (Δt < 10 µs)
Power consumption at U_D	typ. 0.9 W (at U_D; Off state)
Protective circuit	Surge protection; 33 V suppressor diode
	Reverse polarity protection

Digital: Test points for proof test (T1, T2, T3)
Number of inputs	3
Inrush current	typ. 200 mA
Protective circuit	Surge protection; 36 V suppressor diode
Current consumption	typ. 20 mA (Input TP1)
	typ. 20 mA (Input TP2)
	typ. 30 mA (Input TP3)

Relay: Enabling current path (L-LO-NI-N / L'-LO'-NI'-N')
Output description	safety-related N/O contacts
Number of outputs	1 (undelayed)
Contact switching type	1 enabling current path
Contact material	AgNi, gold-flashed, Ag alloy
Switching voltage	min. 16 V AC/DC
	max. 250 V AC
	max. 125 V DC
Switching capacity	min. 1 W
Inrush current	min. 50 mA
	max. 5 A (Δt  1 s)
Limiting continuous current	3 A (Observe derating, load type, and on-load voltage)
Sq. Total current	9 A² (observe derating)
Switching frequency	max. 0.5 Hz
Mechanical service life	approx. 5x 10⁷ cycles
Relay: Signaling current path (21/22)
Output description	non-safety-related N/C contact
Number of outputs	1 (without delay, floating)
Contact switching type	1 signaling current path
Switching current	max. 100 mA
Inrush current	≤ 800 mA (Δt  100 ms)
Short-circuit protection	no

Connection technology
pluggable	yes
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

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

Width	17.5 mm
Height	112.2 mm
Depth	114.5 mm

Color (Housing)	yellow (RAL 1018)
Housing material	Frianyl A63 RV0

Safety data: EN 50156-2
Safety Integrity Level (SIL)	3 (Reference IEC 61508)
Safety data: IEC 61508 - Low demand
Safety Integrity Level (SIL)	3

Ambient conditions
Degree of protection	IP20
Min. degree of protection of inst. location	IP54
Ambient temperature (operation)	-25 °C ... 60 °C (observe derating)
Ambient temperature (storage/transport)	-40 °C ... 65 °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, 11 ms
Vibration (operation)	10 Hz ... 150 Hz, 2g
Air pressure (operation)	79 kPa ... 106 kPa
Air pressure (storage/transport)	79 kPa ... 106 kPa

ATEX
Identification	 II 3G Ex ec nC IIC T4 Gc
Certificate	DEMKO 19 ATEX 2240X
IECEx
Identification	Ex ec nC IIC T4 Gc
Certificate	IECEx ULD 19.0023X
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
	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	2022122304115696

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

Commercial data

Item number	2702522
Packing unit	1 pc
Minimum order quantity	1 pc
Product key	DNA182
Catalog page	Page 253 (C-6-2019)
GTIN	4055626283388
Weight per piece (including packing)	249.42 g
Weight per piece (excluding packing)	151.47 g
Customs tariff number	85364190
Country of origin	DE

Classifications

Approvals

Environmental product compliance

Compatible products

Accessories

Your advantages

Earth leakage monitoring

Suitable for low-demand applications up to SIL 3 in accordance with IEC 61508, IEC 61511, and EN 50156

Configurable Off and On state diagnostics

Active error acknowledgment via A1 at DO

Integrated DCS test pulse filter

1 enabling current path, 1 signaling 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	0f25f791-08b6-4b35-bc89-ae370be81b5b

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-PC51-1NO-1NC-24DC-SC - Coupling relay

2702522

Product details

ECLASS

ETIM

UNSPSC

Functional Safety

Functional Safety

cULus Listed

cULus Listed

IECEx

ATEX

cULus Listed

cULus Listed

IECEx

ATEX

CCC

CCC

Compatible products

Your advantages

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PSR-PC51-1NO-1NC-24DC-SC - Coupling relay 2702522

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-PC51-1NO-1NC-24DC-SC - Coupling relay

2702522