REL-IR/LDP-110DC/4X21AU/MS - Single relay

1819084

Plug-in industrial relay with power contacts and additional hard gold plating, 4 changeover contacts, test button, status LED, freewheeling diode, mechanical switching position indicator, polarity: A1+, A2-, coil voltage: 110 V DC

This product needs further products for operation. Mandatory accessories

Product type	Single relay
Product family	RIFLINE complete
Operating mode	100% operating factor
Mechanical service life	approx. 10⁷ cycles
Insulation characteristics
Insulation	Basic insulation
Overvoltage category	III
Pollution degree	2
Data management status
Date of last data management	10.06.2026

Service life electrical	see diagram
Maximum power dissipation for nominal condition	0.8465 W
Test voltage (Winding/contact)	2.5 kV_rms (50 Hz, 1 min., winding/contact)
Test voltage (Changeover contact/changeover contact)	2 kV_rms (50 Hz, 1 min., changeover contact/changeover contact)
Rated insulation voltage	250 V AC

Coil side
Nominal input voltage U_N	110 V DC
Input voltage range	82.5 V DC ... 187 V DC
Drive and function	monostable
Drive (polarity)	polarized
Typical input current at U_N	6.9 mA
Typical response time	15 ms
Typical release time	18 ms
Protective circuit	Freewheeling diode
Status display	LED (yellow)

Switching
Contact switching type	4 changeover contacts
Type of switch contact	Single contact
Contact material	AgNi + Au
Maximum switching voltage	30 V AC
	36 V DC
Minimum switching voltage	12 mV (1 mA)
Limiting continuous current	4x 50 mA
Maximum inrush current	50 mA
Min. switching current	1 mA (20 mV)
Switching power min.	0.02 mW
Switching
Contact switching type	4 changeover contacts
Type of switch contact	Single contact
Contact material	AgNi
Note	the following values are applicable if a gold layer is destroyed
Maximum switching voltage	250 V AC/DC
Limiting continuous current	2x 12 A
Maximum inrush current	12 A (20 ms, N/O contacts)
Interrupting rating (ohmic load) max.	144 W (at 24 V DC)
	130 W (at 48 V DC)
	90 W (at 60 V DC)
	66 W (at 110 V DC)
	88 W (at 220 V DC)
	1500 VA (for 250 V AC)

Connection method	Plug-in connection

Item dimensions
Width	22.5 mm
Height	28 mm
Depth	35 mm

Ambient conditions
Degree of protection	RT II
Ambient temperature (operation)	-40 °C ... 70 °C
Ambient temperature (storage/transport)	-40 °C ... 70 °C
Altitude	≤ 2000 m

Standards/regulations	EN 61810-1

Mounting type	Plug-in mounting
Assembly note	in rows with zero spacing
Mounting position	any

Item number	1819084
Packing unit	10 pc
Minimum order quantity	10 pc
Sales key	DK694A
Product key	DK694A
GTIN	4067923449299
Weight per piece (including packing)	31 g
Weight per piece (excluding packing)	29,51 g
Customs tariff number	85364900
Country of origin	AT

Compatible products

Mandatory accessories

ECLASS-13.0	27371601
ECLASS-15.0	27371601

EU RoHS
Fulfills EU RoHS substance requirements	Yes
Exemption	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.)	No substance above 0.1 wt%

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

REL-IR/LDP-110DC/4X21AU/MS - Single relay

1819084

Product details

ECLASS

ETIM

cULus Recognized

VDE Zeichengenehmigung

Compatible products

Automate

Connect

Mark, assemble, and install

Supply, charge, and protect

Switch, Measure and Monitor

REL-IR/LDP-110DC/4X21AU/MS - Single relay 1819084

Product details

ECLASS

ETIM

Compatible products

RIF-2-BPT/4X21 - Relay base 2900934

RIF-RH-2-L - Retaining bracket 1899071

REL-IR/LDP-110DC/4X21AU/MS - Single relay

1819084