Phoenix Contact DEK-OV- 24DC_24DC_10 Solid State Relay

Technical Overview

DIN rail mount solid-state relay with 24V DC input, 5-30V DC/10A output, 2.5 kV isolation, and -20 to 60°C operating temperature.

Key Features

Integrated input circuit.
Electrical isolation between input and output at up to 2.5 kVrms.
Status indicator via yellow LED for operating voltage.
Integrated output protective circuit.
Protection against polarity reversal and surge.
Screw connection for secure and reliable wiring.
Fast response time of 250 µs for quick switching applications.
Labeling and mounting with user-friendly modular terminal blocks.

Technical Specification Matrix

Parameter	Value
Product Type	Solid-state relay terminal block
Nominal Input Voltage	24 V DC
Input Voltage Range	19.2 V DC ... 28.8 V DC
Output Voltage Range	5 V DC ... 30 V DC
Limiting Continuous Current	10 A
Surge Current	100 A (t = 20 ms)
Maximum Power Dissipation (Nominal)	0.5 W
Test Voltage (Input/Output)	2.5 kV AC (2.5 kVrms)
Ambient Temperature (Operation)	-20 °C ... 60 °C
Ambient Temperature (Storage/Transport)	-20 °C ... 70 °C
Connection Method	Screw connection
Conductor Cross Section Solid	0.2 mm² ... 2.5 mm²
Conductor Cross Section Flexible	0.2 mm² ... 2.5 mm²
Conductor Cross Section AWG	24 ... 14
Torque (Connections)	0.5 Nm
Response Time	250 µs
Turn-off Time	800 µs
Transmission Frequency	100 Hz
Insulation	Basic insulation
Overvoltage Category	II
Pollution Degree	2
Physical Weight (kg)	0.03
Dimensions L x W x H (cm)	5.6 x 0.62 x 8

Industrial Applications

1. Industrial Process Control for Actuator Switching

This solid-state relay serves as a crucial interface between 24V DC Programmable Logic Controller (PLC) or Distributed Control System (DCS) outputs and various 24V DC, 10A field actuators such as solenoid valves, indicator lights, or small motors in industrial process control environments. Its 2.5 kV electrical isolation protects sensitive control electronics from electrical noise and potential power surges originating from the field devices.

Problem Solved

Provides robust, wear-free switching for DC loads, effectively isolating control systems from field-side electrical disturbances and extending the operational lifespan of PLC output cards due to the absence of mechanical contacts.

PLC interfaceDCS output control24V DC actuator10A switchingElectrical isolation (2.5 kV)Noise immunitySolid-state switching

2. Automated Test Equipment (ATE) for DC Components

In high-throughput Automated Test Equipment (ATE) setups, this relay precisely switches DC power to devices under test (DUTs). Its fast response time of 250 µs and wear-free solid-state operation are critical for applications requiring millions of switching cycles, where mechanical relays would quickly degrade. The compact 6.2 mm width also enables high-density integration within complex test fixtures.

Problem Solved

Enables rapid, reliable, and high-frequency DC power switching for automated component testing, significantly increasing test system uptime and measurement accuracy by eliminating mechanical wear and contact bounce.

Automated test equipmentDC component testingFast switching (250 µs)High cycle life5-30V DC10A currentCompact design

3. Battery Management Systems (BMS) for Auxiliary Loads

Within industrial or commercial battery management systems, this solid-state relay can manage low voltage DC auxiliary loads such as cooling fans, contactors for specific battery segments, or signaling devices. The integrated reverse polarity and surge protection features are vital for safeguarding both the relay and connected loads against electrical transients commonly encountered in DC power networks.

Problem Solved

Offers reliable and protected switching of DC loads within battery systems, providing essential protection against voltage spikes and incorrect wiring, thereby enhancing the safety and long-term stability of energy storage solutions without contact degradation.

Battery managementDC load controlReverse polarity protectionSurge protection5-30V DC10A switchingEnergy storage