Recently searched

Login

Products
Products overview

New products

Product navigator for device connection technology

Technologies

Customer-specific solutions

Configurators

Product Compliance

Cross Reference Search

Automate

Automation software

Building automation

Edge computing

HMIs and IPCs

Industrial communication

PLCnext Technology

PLCs (controllers) and I/Os

Smart Services

Connect

Board-to-board connectors

Cables and lines

Connectors

Distribution blocks and device terminal blocks

Distributors, adapters, and conductor connectors

Electronics housings

PCB terminal blocks and PCB connectors

Plug-in test system

System cabling for controllers

Terminal blocks

Mark, assemble, and install

Automatic tools

Control cabinet accessories

Crimp connectors

Ferrules

Hand tools

Industrial lighting and signal technology

Junction boxes and empty enclosures

Marking material

Printers

Software for control cabinet building

Workstation solutions

Supply, charge, and protect

Charging technology for e-mobility

DC/DC converters and DC/AC inverters

Device circuit breakers

EMC filter

Power supplies

Protective relays for mains protection

Redundancy modules

Surge protection

Uninterruptible power supplies (UPS)

Switch, Measure and Monitor

Contactor and power relay

Energy monitoring

I/O signal marshalling

Motor starters and electronic switching devices

Process indicators and field devices

Relays and solid-state relays

Safety relay modules and sensors

Signal conditioners and measuring transducers

Industries & Applications
E-MOBILITY

Overview

Charging infrastructure

Electric vehicles

INFRASTRUCTURE

Buildings

Data Centers

Railway industry

POWER

Battery storage systems

Conventional power generation

DC grids in industry

Power transmission and distribution

Solar power

Wind power

PROCESS INDUSTRY

Marine and offshore

Mining

Power-to-X

Process automation

PRODUCTION, DEVICE AND SYSTEMS MANUFACTURING

Automotive industry

Control cabinet building

Device manufacturers

Automated Guided Vehicles (AGV)

Digital Factory

Electrical installations

Machine building

OTHER TOPICS

Agriculture

COMPLETE line

Data connectors for smart networks

Functional safety

Industrial remote communication

Industrial security

Power reliability

Video surveillance
Company
Overview

Phoenix Contact India

The Phoenix Contact Group

Careers

Our culture and attitude

Compliance

Sustainability

History

Suppliers
Events & News
Overview

Events & trade fairs

News

My Phoenix Contact
Login / Register

Registration Benefits

My Product Lists

My Comparison

Home
Products
ELR 2+1- 24DC/500AC-37 - Solid-state contactor

ELR 2+1- 24DC/500AC-37 - Solid-state contactor

2297277

Three-phase solid-state contactor with 24 V DC input, 37 A output current, zero voltage switch, optionally with thermal fuse

Product details

Expand all Collapse all

Technical data

Product properties

Operating mode	100% operating factor

Electrical properties

Number of phases	3
Switching frequency	≤ 10 Hz
Test voltage (Input/output)	5 kV_rms (50 Hz, 60 s)
Switching frequency	≤ 10 Hz
Insulation characteristics
Rated insulation voltage	500 V
Rated surge voltage	6 kV
Overvoltage category	III
Degree of pollution	2
Insulation characteristics between the control input voltage to the main circuit	Basic insulation

Input data

Control
Input name	Control input right/left
Rated actuating voltage U_C	24 V DC
Triggering voltage range	19.2 V DC ... 30 V DC
Voltage range with reference to U_C	0.8 ... 1.25
Voltage range with reference to U_C		0.8 ... 1.25
Rated actuating current I_C	8.3 mA
Switching threshold	9.6 V (“0” signal)
Switching threshold		19.2 V (“1” signal)
Protective circuit	Reverse polarity protection; Suppressor diode
Protective circuit		Surge protection
Error indication	Red LED
Status display	LED (yellow)

Output data

AC output
Rated operating voltage U_e	500 V AC
Operating voltage range	48 V AC ... 575 V AC
Rated operating current at AC-51	37 A
Rated operating current at AC-53a	25 A
Peak offstate voltage	1200 V
Mains frequency	40 Hz ... 100 Hz
Load current range	200 mA ... 37 A (see to derating)
Leakage current	6 mA
Residual voltage	< 1.5 V
Surge current	1300 A (t = 10 ms)
Max. load value	9000 A²s
Protective circuit	RCV circuit
Surge voltage protection	> 575 V AC

Connection data

Control circuits
Connection method	Screw connection
Stripping length	8 mm
Screw thread	M3
Conductor cross-section rigid	0.2 mm² ... 4 mm²
Conductor cross-section flexible	0.2 mm² ... 2.5 mm²
Conductor cross-section AWG	24 ... 12
Tightening torque	0.5 Nm ... 0.6 Nm
Tightening torque		5 lb_f-in. ... 7 lb_f-in.
Load circuit
Connection method	Screw connection
Stripping length	8 mm
Screw thread	M4
Conductor cross-section rigid	0.5 mm² ... 16 mm²
Conductor cross-section flexible	0.5 mm² ... 16 mm²
Conductor cross-section AWG	20 ... 6
Tightening torque	15 lb_f-in.

Signaling

Status display	LED (yellow)
Error indication	Red LED

Dimensions

Width	147.5 mm
Height	99 mm
Depth	114.5 mm

Environmental and real-life conditions

Ambient conditions
Degree of protection	IP20
Ambient temperature (operation)	-25 °C ... 70 °C
Ambient temperature (storage/transport)	-25 °C ... 70 °C

Approvals

UL approval
Certificate	NMFT.E323771
Certificate		NRNT.E172140
UL data
SCCR	5 kA (50 A RK5 (standard fault) fuse)
FLA	16 A (at 500 V, AC Resistance)
		16 A (at 500 V, AC General USE)
		16 A (at 500 V, AC Resistance Air Heating)

Standards and regulations

Standards/regulations
Standards/regulations	DIN EN 50178
		EN 60947

Mounting

Mounting type	DIN rail mounting
Assembly note	can be aligned with spacing = 40 mm
Mounting position	Vertical (horizontal DIN rail)

Commercial data

Item number	2297277
Packing unit	1 pc
Minimum order quantity	1 pc
Note	Made to order (non-returnable)
Sales key	CK7
Product key	DK7215
GTIN	4046356175630
Weight per piece (including packing)	1,801 g
Weight per piece (excluding packing)	1,743 g
Customs tariff number	85364190
Country of origin	DE

Classifications

UNSPSC

UNSPSC 21.0

39122333

Environmental product compliance

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)

Compatible products

Expand all Collapse all

Your advantages

Optional thermal fuse

Stable and short switching times

Noise and wear-free switching

Long service life

High switching frequency

Integrated protection circuit

© 2025 Phoenix Contact Site notice Legal information Data privacy Whistleblowing system Privacy Settings