Phoenix Contact DEK-OV-5DC_24DC_3 Solid State Relay

Technical Overview

Compact 6.2mm solid-state relay for 5V DC input and 3-30V DC/3A output, offering 2.5 kVrms isolation and DIN rail mounting.

Key Features

Electrical isolation between input and output at up to 2.5 kVrms
Wear-free switching technology
Integrated input circuit
Status indicator via yellow LED
Integrated output protective circuit (Reverse polarity and surge protection)
Labeling and mounting with user-friendly modular terminal blocks
Designed for DIN rail mounting
Compact terminal block width of 6.2 mm
Screw connection method

Technical Specification Matrix

Parameter	Value
Nominal Input Voltage	5 V DC
Input Voltage Range	4 V DC ... 6 V DC
Typical Input Current	11 mA
Output Voltage Range	3 V DC ... 30 V DC
Limiting Continuous Current (Output)	3 A
Test Voltage (Input/Output Isolation)	2.5 kV AC (50 Hz, 1 min.) / 2.5 kVrms
Width	6.2 mm
Height	80 mm
Depth	56 mm
Ambient Temperature (Operation)	-20 °C ... 60 °C
Ambient Temperature (Storage/Transport)	-20 °C ... 70 °C
Connection Method	Screw connection
Mounting Type	DIN rail mounting
Output Circuit	2-conductor, floating
Typical Response Time	40 µs
Typical Turn-off Time	200 µs
Transmission Frequency	300 Hz
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	5.6 x 0.62 x 8

Industrial Applications

1. Industrial PLC/DCS Signal Interfacing

This solid-state relay effectively interfaces low-voltage (5V DC) control signals from PLCs or DCS systems to higher voltage (up to 30V DC) industrial loads like small solenoid valves, contactors, or indicator lights. The robust 2.5 kVrms isolation provides critical protection for sensitive control electronics against electrical noise and voltage spikes from the load side, enhancing system reliability and longevity.

Problem Solved

Protects expensive PLC/DCS systems by providing galvanic isolation and efficiently translates low-level control signals to reliably drive higher power industrial loads, ensuring wear-free and precise switching operations.

PLC interfacingDCS systemsgalvanic isolationindustrial loadssignal amplificationnoise suppressionwear-free switching

2. Automated Test Equipment (ATE) for Low Current DC Switching

Ideal for automated test setups requiring precise and fast switching of DC signals or low-current loads up to 3A. Its solid-state design ensures reliable, wear-free, and silent operation. The compact 6.2mm width allows for high-density integration within complex test fixtures, optimizing space utilization.

Problem Solved

Enables high-speed, repeatable, and silent switching of DC test signals or small loads without mechanical wear, significantly improving the lifespan, accuracy, and throughput of automated test equipment.

ATEDC switchinghigh-speed switchingcompact designwear-freetest fixturessignal routing

3. Building Automation and HVAC Control

Suitable for switching low-voltage DC actuators, dampers, or small fan motors (up to 3A) in building automation and HVAC systems. This solid-state relay offers reliable, quiet operation and essential protection against electrical disturbances. The wide operating temperature range of -20°C to 60°C makes it suitable for diverse environmental conditions found in equipment rooms.

Problem Solved

Provides a compact, reliable, and quiet method for controlling various DC loads in building management systems, extending system longevity by eliminating mechanical relay wear and safeguarding critical control circuits from electrical issues.

HVAC controlbuilding automationDC actuatorsfan controlquiet operationelectrical isolationtemperature stability