PLC-RSC-12DC/21-21/EX - Relay module

2909517

PLC-INTERFACE, consisting of DIN-rail-mountable basic terminal block in 14 mm with screw connection and plug-in relay with power contact, 2 changeover contacts, 12 V DC input voltage. Approved according to ATEX/IECEx (Zone 2) and Ex Zone Class I, Div. 2.

Product details

Utilization restriction
EMC note	EMC: class A product, see manufacturer's declaration in the download area

Product type	Relay Module
Product family	PLC-INTERFACE
Application	Class I, Division 2
	potentially explosive areas
Operating mode	100% operating factor
Mechanical service life	3x 10⁷ cycles
Insulation characteristics: Standards/regulations
Insulation	Safe isolation, reinforced insulation
Overvoltage category	III
Pollution degree	3
Data management status
Date of last data management	22.09.2025

Maximum power dissipation for nominal condition	0.4 W
Test voltage (Winding/contact)	4 kV AC (50 Hz, 1 min., winding/contact)
Test voltage (Changeover contact/changeover contact)	2.5 kV AC (50 Hz, 1 min., changeover contact/changeover contact)
Standards/regulations
Rated insulation voltage	250 V AC
Rated surge voltage	6 kV

Coil side
Nominal input voltage U_N	12 V DC
Input voltage range	10.3 V DC ... 16.8 V DC (20 °C)
Nominal voltage (plugged-in electromechanical relay)	12 V DC
Drive and function	monostable
Drive (polarity)	polarized
Typical input current at U_N	33 mA
Typical response time	8 ms
Typical release time	10 ms
Protective circuit	Reverse polarity protection; Polarity protection diode
	Surge protection; Freewheeling diode
Operating voltage display	Yellow LED

Switching
Contact switching type	2 changeover contacts
Type of switch contact	Single contact
Contact material	AgNi
Maximum switching voltage	250 V AC/DC (The separating plate PLC-ATP should be installed for voltages larger than 250 V (L1, L2, L3) between identical terminal blocks in adjacent modules. Potential bridging is then carried out with FBST 8-PLC... or ...FBST 500...)
Minimum switching voltage	5 V AC/DC (10 mA)
Limiting continuous current	2x 6 A (Derating)
Maximum inrush current	15 A (300 ms)
Min. switching current	10 mA (5 V)
Interrupting rating (ohmic load) max.	140 W (24 V DC)
	85 W (48 V DC)
	60 W (60 V DC)
	44 W (110 V DC)
	60 W (220 V DC)
	1500 VA (250 V AC)
Switching capacity	2 A (24 V (DC13))
	0.2 A (250 V (DC13))
	3 A (24 V (AC15))
	3 A (120 V (AC15))
	3 A (250 V (AC15))

Connection method	Screw connection
Stripping length	8 mm
Screw thread	M3
Conductor cross-section rigid	0.14 mm² ... 2.5 mm²
Conductor cross-section flexible	0.14 mm² ... 2.5 mm²
	0.2 mm² ... 2.5 mm² (Single ferrule)
	2x 0.5 mm² ... 1.5 mm² (TWIN ferrule)
Conductor cross-section AWG	26 ... 14
Tightening torque	0.6 Nm ... 0.8 Nm

Width	14 mm
Height	80 mm
Depth	94 mm

Color	gray (RAL 7042)
Flammability rating according to UL 94 (Housing)	V0 (Housing)

Ambient conditions
Degree of protection (Relay)	RT III (Relay)
Degree of protection (Relay base)	IP20 (Relay base)
Ambient temperature (operation)	-40 °C ... 60 °C
Ambient temperature (storage/transport)	-40 °C ... 85 °C
Altitude	≤ 2000 m

CE
Certificate	CE-compliant
ATEX
Identification	 II 3G Ex ec nC IIC T4 Gc
Certificate	IBExU16ATEXB015 X
IECEx
Identification	Ex ec nC IIC T4 Gc
Certificate	IECEx IBE 16.0029X
UKCA Ex (UKEX)
Identification	 II 3 G Ex ec nC IIC T4 Gc
Certificate	PxCIF21UKEX2909514X
CCC / China-Ex
Identification	Ex ec nC IIC T4 Gc
Certificate	2021122304114118
UL, USA/Canada
Identification	Class I, Zone 2, AEx ec nC IIC T4
	Class I, Zone 2, Ex ec nC IIC Gc T4 X
Shipbuilding approval
Certificate	TAE0000196
Corrosive gas test
Identification	ISA-S71.04. G3 Harsh Group
	EN 60068-2-60
Shipbuilding data
Temperature	D
Humidity	A
Vibration	B/C
EMC	B
Enclosure	Required protection according to the Rules shall be provided upon installation on board

Electromagnetic compatibility	Conformance with EMC directive
Low Voltage Directive	Conformance with Low Voltage Directive

Standards/regulations
Standards/regulations	IEC 60664
	IEC 60947-5-1
	IEC/EN 60079-0
	IEC/EN 60079-7
	IEC/EN 60079-15
GB Standard
Standards/regulations	GB/T 3836.1
	GB/T 3836.3
	GB/T 3836.8

Mounting type	DIN rail mounting
Assembly note	in rows with zero spacing
Mounting position	any

Commercial data

Item number	2909517
Packing unit	10 pc
Minimum order quantity	10 pc
Sales key	DK623K
Product key	DK623K
GTIN	4055626363202
Weight per piece (including packing)	78,6 g
Weight per piece (excluding packing)	70,63 g
Customs tariff number	85364190
Country of origin	DE

Classifications

Approvals

Environmental product compliance

Compatible products

Accessories

ECLASS-13.0	27371601
ECLASS-15.0	27371601

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.)	Hexahydromethylphthalic anhydride (CAS: n/a)
REACH candidate substance (CAS No.)		Lead (CAS: 7439-92-1)
SCIP	9a5ac8e0-4b68-4dbe-a285-0fe5b1d10433

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PLC-RSC-12DC/21-21/EX - Relay module

2909517

Product details

ECLASS

ETIM

UNSPSC

DNV GL

CCC

cULus Listed

IECEx

ATEX

EAC Ex

IECEx

cUL Listed

UL Listed

ATEX

cULus Listed

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PLC-RSC-12DC/21-21/EX - Relay module 2909517

Product details

ECLASS

ETIM

UNSPSC

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REL-MR-12DC/21-21/C1D2 - Single relay 2906988

PLC-RSC-12DC/21-21/EX - Relay module

2909517