Phoenix Contact DEK-OV- 24DC_24DC_3_AKT Solid-State Relay

Technical Overview

Solid-state relay terminal block with 24 V DC input, 3-30 V DC / 3 A output, and 2.5 kV AC isolation. Features a compact 6.2 mm width.

Key Features

Actuator version available
Compatible with EB-DIK insertion bridges
Designed for labeling and mounting with user-friendly modular terminal blocks
Integrated output protective circuit
Integrated input circuit
Features a yellow LED status indicator
Fast typical response time of 40 µs
DIN rail mounting for easy installation

Technical Specification Matrix

Parameter	Value
Nominal Input Voltage UN	24 V DC
Input Voltage Range	19.2 V DC ... 28.8 V DC
Typical Input Current at UN	7 mA
Output Voltage Range	3 V DC ... 30 V DC
Limiting Continuous Current	3 A
Test Voltage (Input/Output)	2.5 kV AC
Typical Response Time	40 µs
Typical Turn-Off Time	200 µs
Ambient Temperature (Operation)	-20 °C ... 60 °C
Ambient Temperature (Storage/Transport)	-20 °C ... 70 °C
Connection Method	Screw connection
Conductor Cross Section Rigid	0.2 mm² ... 2.5 mm²
Conductor Cross Section Flexible	0.2 mm² ... 2.5 mm²
Conductor Cross Section AWG	24 ... 14
Tightening Torque	0.4 Nm ... 0.5 Nm
Mounting Type	DIN rail mounting
Insulation	Basic insulation
Overvoltage Category	III
Pollution Degree	2
Maximum Power Dissipation (Nominal Condition)	0.17 W
Standards/Regulations	IEC 60947-5-1
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	5.6 x 0.62 x 8

Industrial Applications

1. PLC-Based Industrial Process Control

This solid-state relay excels in interfacing 24V DC Programmable Logic Controller (PLC) outputs to control various 3-30V DC, 3A industrial loads, such as small valves, indicators, or contactors. Its high electrical isolation of 2.5 kV AC protects sensitive PLC circuitry from electrical noise and voltage spikes on the load side, ensuring system stability and longevity.

Problem Solved

Provides reliable and isolated switching for PLC outputs controlling DC loads, preventing damage to control systems from load-side electrical disturbances.

PLC interface24V DC control3-30V DC load3A switching2.5 kV isolationIndustrial automationControl cabinet

2. Precision Control of Small DC Actuators

Ideal for applications requiring precise and wear-free control of small DC motors or other actuators up to 30V and 3A. Its fast response time of 40 µs allows for rapid actuation and precise positioning in robotics, sorting systems, or material handling equipment, surpassing the lifespan limitations of traditional electromechanical relays.

Problem Solved

Enables high-speed, durable, and precise control of low-power DC actuators, improving the performance and reliability of automated machinery.

DC motor controlActuator controlFast switching40 µs response timeWear-freeRoboticsAutomation

3. Signal Isolation in Noisy Industrial Environments

The relay's 2.5 kV AC electrical isolation capability is critical for separating control signals in electrically noisy industrial settings. This prevents common mode noise and ground loops from affecting sensitive control systems when interfacing with field devices like sensors or input modules, ensuring data integrity and preventing system malfunctions.

Problem Solved

Protects control systems from electrical noise and potential differences in harsh industrial environments by providing robust signal isolation.

Signal isolationNoise immunity2.5 kV AC isolationGround loop preventionIndustrial sensorsEMI/RFI protection