PLC-RSC- 24DC/21-21/MS - Relay Module

PLC-INTERFACE, consisting of a relay base and pluggable power contact relay with manual operation, integrated status LED and freewheeling diode, Screw connection, 2 changeover contacts, Freewheeling diode, Input voltage: 24 V DC

Product Details

Product type Relay Module
Product family PLC-INTERFACE
Application Palm switch
Operating mode 100% operating factor
Mechanical service life 5x 106 cycles
Insulation characteristics
Insulation Safe isolation: Control side / contact side
Insulation characteristics: Standards/regulations
Insulation Safe isolation: Control side / contact side
Overvoltage category III
Pollution degree 2

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)
Rated surge voltage 6 kV

Coil side
Nominal input voltage UN 24 V DC
Input voltage range 20.2 V DC ... 33.6 V DC (20 °C)
Typical input current at UN 18 mA
Typical response time 10 ms
Typical release time 10 ms
Coil voltage 24 V DC
Protective circuit Freewheeling diode; Freewheeling diode
Operating voltage display Yellow LED

Contact type 2 changeover contacts
Type of switch contact Single contact
Drive and function monostable
Drive (polarity) bipolar
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 12 V (10 mA)
Limiting continuous current 6 A
Maximum inrush current 12 A (20 ms)
Min. switching current 10 mA (12 V)
Interrupting rating (ohmic load) max. 192 W (24 V DC)
62 W (48 V DC)
42 W (60 V DC)
55 W (110 V DC)
66 W (220 V DC)
2000 VA (250 V AC)
Switching capacity 1 A (24 V, DC13)
1.5 A (230 V, AC15)

Connection method Screw connection
Stripping length 8 mm
Screw thread M3
Conductor cross section solid 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 104 mm

Flammability rating according to UL 94 V0 (Housing)

Ambient conditions
Degree of protection Relay RT II (Relay)
IP20 (Relay base)
≥ IP54 (Installation location)
Ambient temperature (operation) -20 °C ... 60 °C
Ambient temperature (storage/transport) -20 °C ... 85 °C
Altitude ≤ 2000 m

Identification UL 508
UL 508 Recognized
UL, USA / Canada
Identification UL 508
UL 508 Recognized
Corrosive gas test
Identification ISA-S71.04. G3 Harsh Group
EN 60068-2-60

Standards/regulations EN 50178

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

Item number 2910502
Packing unit 1 pc
Minimum order quantity 1 pc
Sales Key C05
Product Key CK621C
Catalog Page Page 368 (C-5-2019)
GTIN 4055626486079
Weight per Piece (including packing) 77.585 g
Weight per Piece (excluding packing) 77.585 g
Customs tariff number 85364190
Country of origin DE


ECLASS-9.0 27371601
ECLASS-10.0.1 27371601
ECLASS-11.0 27371601
ECLASS-12.0 27371601
ECLASS-13.0 27371601


ETIM 8.0 EC001437


UNSPSC 21.0 39122300

cUL Recognized

Approval ID: FILE E 238705

UL Recognized

Approval ID: FILE E 238705


Approval ID: TR_TS_D_00573_c


Approval ID: TAE0000196
Approval Specification Data
Nominal Voltage UN Nominal Current IN Cross Section AWG Cross Section mm2


Approval ID: RU*C-DE.*08.B.00010

UL Listed

Approval ID: FILE E 172140

cUL Listed

Approval ID: FILE E 172140

cULus Recognized

cULus Listed

REACh SVHC Lead 7439-92-1
Hexahydromethylphthalic anhydride
China RoHS Environmentally Friendly Use Period = 50 years
For information on hazardous substances, refer to the manufacturer’s declaration available under “Downloads”

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