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ST-REL4-KG 48/21-21 - Relay connectors

2823353

Relay connector, equipped with miniature switching relay, contacts (AgNi): medium to large loads, 2 changeover contacts, input voltage 48 V AC/DC, with LED display, pluggable into basic terminal blocks

Product type	Relay Module
Operating mode	100% operating factor
Mechanical service life	approx. 2x 10⁷ cycles
Data management status
Date of last data management	19.03.2025

Maximum power dissipation for nominal condition	0.43 W
Test voltage (Winding/contact)	2.5 kV AC (50 Hz, 1 min., winding/contact)
Test voltage (Changeover contact/changeover contact)	1 kV AC (50 Hz, 1 min., changeover contact/changeover contact)

Coil side
Nominal input voltage U_N	48 V AC/DC
Input voltage range	43.2 V AC/DC ... 52.8 V AC/DC (20 °C)
Drive and function	monostable
Drive (polarity)	polarized
Typical input current at U_N	9 mA
Typical response time	9 ms (with DC)
Typical release time	10 ms (with DC)
Protective circuit	Bridge rectifier, varistor
Operating voltage display	yes

Switching
Contact switching type	2 changeover contacts
Type of switch contact	Single contact
Contact material	AgNi
Maximum switching voltage	250 V AC/DC
Limiting continuous current	3 A
Maximum inrush current	5 A
Interrupting rating (ohmic load) max.	70 W (at 24 V DC)
	85 W (at 48 V DC)
	60 W (at 60 V DC)
	40 W (at 110 V DC)
	60 W (at 220 V DC)
	750 VA (for 250 V AC)

Width	27 mm
Height	33 mm
Depth	66.5 mm

Color	green (RAL 6021)

Ambient conditions
Ambient temperature (operation)	-20 °C ... 50 °C
Ambient temperature (storage/transport)	-20 °C ... 70 °C

Standards/regulations	DIN VDE 0110b, Gr. C for 250 V DC
	IEC 60255/DIN VDE 0435 (in relevant parts)
	DIN EN 50178/VDE 0160 (in relevant parts)
	EN 60730/DIN VDE 0631
	DIN VDE 0160 (in relevant parts)

Mounting type	Plug-in mounting

Item number	2823353
Packing unit	10 pc
Minimum order quantity	1 pc
Note	Made to order (non-returnable)
Product key	DK61B2
GTIN	4017918077365
Weight per piece (including packing)	46.86 g
Weight per piece (excluding packing)	46.86 g
Customs tariff number	85364190
Country of origin	DE

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.)	Lead (CAS: 7439-92-1)
SCIP	a3aa5b8b-7138-4a7b-81cb-dc0e3ec51232

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

ST-REL4-KG 48/21-21 - Relay connectors

2823353

Product details

ECLASS

ETIM

UNSPSC

EAC

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

ST-REL4-KG 48/21-21 - Relay connectors 2823353

Product details

ECLASS

ETIM

UNSPSC

Compatible products

URELG 4-PMTK - Basic terminal block 2820712

UDK-RELG 4 - Basic terminal block 2777056

URELG 4 - Basic terminal block 2820149

ST-REL4-KG 48/21-21 - Relay connectors

2823353