PLC-RPT- 48DC/21-21/MS - Relay module - 2910521

Product details

Technical data

Product properties

Product type	Relay Module
Product family	PLC-INTERFACE
Application	Palm switch
Operating mode	100% operating factor
Mechanical service life	5x 10⁶cycles
Insulation characteristics: Standards/regulations
Insulation	Safe isolation, reinforced insulation
Overvoltage category	III
Pollution degree	2
Data management status
Date of last data management	12.09.2025

Electrical properties

Maximum power dissipation for nominal condition	0.92 W
Test voltage (Winding/contact)	4 kV_rms (50 Hz, 1 min., winding/contact)
Test voltage (Changeover contact/changeover contact)	2.5 kV_rms (50 Hz, 1 min., changeover contact/changeover contact)
Standards/regulations
Rated insulation voltage	250 V AC
Rated surge voltage	6 kV

Input data

Coil side
Nominal input voltage U_N	48 V DC
Input voltage range	40.3 V DC ... 62.4 V DC (20 °C)
Nominal voltage (plugged-in electromechanical relay)	24 V DC
Drive and function	monostable
Drive (polarity)	polarized
Typical input current at U_N	19 mA
Typical response time	6 ms
Typical release time	10 ms
Protective circuit	Bridge rectifier
Operating voltage display	Yellow LED

Output data

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	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))
Switching capacity		1.5 A (230 V, AC15)

Connection data

Connection method	Push-in connection
Stripping length	10 mm
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 mm² (TWIN ferrule)
Conductor cross-section AWG	26 ... 14

Dimensions

Width	14 mm
Height	80 mm
Depth	104 mm

Material specifications

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

Environmental and real-life conditions

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

Approvals

CE
Certificate	CE-compliant
UKCA
Certificate	UKCA-compliant
UL, USA
Identification	UL 508
Identification		UL 508 Recognized
UL, USA/Canada
Identification	UL 508
Identification		UL 508 Recognized
Shipbuilding approval
Certificate	TAE0000196
Corrosive gas test
Identification	ISA-S71.04. G3 Harsh Group
Identification		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

EMC data

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

Standards and regulations

Standards/regulations
Standards/regulations	EN 50178

Mounting

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

Commercial data

Item number	2910521
Packing unit	10 pc
Minimum order quantity	10 pc
Sales key	DK62BC
Product key	DK62BC
GTIN	4055626486734
Weight per piece (including packing)	73.38 g
Weight per piece (excluding packing)	64 g
Customs tariff number	85364190
Country of origin	DE

Classifications

Approvals

Environmental product compliance

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	bf6c08dd-d48e-4782-b77f-9438b557f5a2

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PLC-RPT- 48DC/21-21/MS - Relay module

2910521

Product details

ECLASS

ETIM

UNSPSC

EAC

DNV GL

cULus Listed

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

PLC-RPT- 48DC/21-21/MS - Relay module 2910521

Product details

ECLASS

ETIM

UNSPSC

Compatible products

FBST 500-PLC RD - Continuous plug-in bridge 2966786

FBST 500-PLC BU - Continuous plug-in bridge 2966692

FBST 500-PLC GY - Continuous plug-in bridge 2966838

FBST 6-PLC RD - Single plug-in bridge 2966236

FBST 6-PLC BU - Single plug-in bridge 2966812

FBST 6-PLC GY - Single plug-in bridge 2966825

ZB 10:UNBEDRUCKT - Zack marker strip 1053001

ZB 10 CUS - Zack marker strip 0824941

ZB10,LGS:L1-N,PE - Marker for terminal blocks 1053412

ZB10,LGS:U-N - Marker for terminal blocks 1053438

UC-TM 10 - Marker for terminal blocks 0818069

UC-TM 10 CUS - Marker for terminal blocks 0824605

UCT-TM 10 - Marker for terminal blocks 0829142

UCT-TM 10 CUS - Marker for terminal blocks 0829623

ZB 12:UNPRINTED - Zack marker strip 0812120

ZB 12 CUS - Zack marker strip 0824942

ZB 12,LGS:L1-N,PE - Zack marker strip 0812146

UC-TM 12 - Marker for terminal blocks 0819194

UC-TM 12 CUS - Marker for terminal blocks 0824613

UCT-TM 12 - Marker for terminal blocks 0829144

UCT-TM 12 CUS - Marker for terminal blocks 0829630

NS 35/ 7,5 PERF 2000MM - DIN rail perforated 0801733

NS 35/ 7,5 UNPERF 2000MM - DIN rail, unperforated 0801681

NS 35/ 7,5 WH PERF 2000MM - DIN rail perforated 1204119

NS 35/ 7,5 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1204122

NS 35/ 7,5 AL UNPERF 2000MM - DIN rail, unperforated 0801704

NS 35/ 7,5 ZN PERF 2000MM - DIN rail perforated 1206421

NS 35/ 7,5 ZN UNPERF 2000MM - DIN rail, unperforated 1206434

NS 35/ 7,5 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated 0801762

NS 35/ 7,5 CAP - End cap 1206560

NS 35/15 PERF 2000MM - DIN rail perforated 1201730

NS 35/15 UNPERF 2000MM - DIN rail, unperforated 1201714

NS 35/15 WH PERF 2000MM - DIN rail perforated 0806602

NS 35/15 WH UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1204135

NS 35/15 AL UNPERF 2000MM - DIN rail, unperforated 1201756

NS 35/15 ZN PERF 2000MM - DIN rail perforated 1206599

NS 35/15 ZN UNPERF 2000MM - DIN rail, unperforated 1206586

NS 35/15 CU UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1201895

NS 35/15 CAP - End cap 1206573

NS 35/15-2,3 UNPERF 2000MM-VPE 10 - DIN rail, unperforated 1201798

PLC-ATP BK - Separating plate 2966841

PLC-ESK GY - Power terminal block 2966508

SZF 1-0,6X3,5 - Screwdriver 1204517

REL-MR- 24DC/21-21/MS - Single relay 2987943

PLC-RPT- 48DC/21-21/MS - Relay module

2910521