Phoenix Contact DEK-OV- 12DC_24DC_ 3 Solid State Relay

Technical Overview

DIN rail mount solid-state relay terminal block with 12VDC control, 3-30VDC/3A output, and 2.5kV isolation. Operates from -20°C to 60°C with screw terminals.

Key Features

DIN rail mounting for easy installation
Screw connection terminals for secure wiring
Integrated protection circuits, including reverse polarity and surge voltage elements
Status display via yellow LED for operating voltage
Integrated output protective circuit
Integrated input circuit
Galvanic isolation between input and output up to 2.5 kVrms
Compact 6.2 mm width for space-saving installations
Suitable for high switching frequencies due to wear-free solid-state technology

Technical Specification Matrix

Parameter	Value
Product Type	Solid State Relay Module / Optocoupler Terminal Block
Load Current Rating	3 A (Limiting continuous current)
Output Voltage Range	3 V DC to 30 V DC
Nominal Input Voltage	12 V DC
Input Voltage Range	9.6 V DC to 14.4 V DC
Typical Input Current	8.5 mA
Minimum Operating Temperature	-20 °C
Maximum Operating Temperature	60 °C
Relay Contact Form	1 N/O contact (1 Form A / SPST-NO)
Mounting Type	DIN Rail Mount
Connection Method	Screw connection
Electrical Isolation (Input/Output)	2.5 kVrms
Transmission Frequency	300 Hz
Typical Response Time	40 µs
Typical Turn-off Time	200 µs
Color	Green (RAL 6021)
Physical Weight (kg)	0.02
Dimensions L x W x H (cm)	5.6 x 0.62 x 8

Industrial Applications

1. Industrial Automation Signal Isolation

This solid-state relay is ideal for isolating control signals (12VDC) from output loads (3-30VDC/3A) in industrial automation systems, protecting sensitive PLCs and controllers from voltage spikes and noise. Its 2.5kV galvanic isolation ensures robust separation, preventing ground loops and improving system reliability.

Problem Solved

Protects sensitive control electronics from electrical noise, voltage transients, and potential damage from output circuits, ensuring stable and safe operation.

Galvanic IsolationPLC InterfaceNoise SuppressionSignal IntegritySystem ProtectionIndustrial Control

2. High-Frequency DC Load Switching

Due to its wear-free solid-state design and fast switching times (40 µs response, 200 µs turn-off), this relay is perfectly suited for rapidly switching DC loads like solenoids, small motors, or indicator lights in applications requiring frequent on/off cycles. It prevents the mechanical wear associated with traditional electromagnetic relays.

Problem Solved

Provides extended operational lifespan and reduced maintenance in applications with high switching frequencies, overcoming the limitations and wear of electromechanical relays.

High Switching FrequencyWear-Free SwitchingDC Load ControlSolenoid ControlFast Response TimeAutomated Machinery

3. Compact DC Signal Interfacing in Control Cabinets

With a narrow width of just 6.2 mm and DIN rail mounting, this solid-state relay is excellent for interfacing various DC input and output signals within densely packed industrial control cabinets. Its ability to handle a 3A load current and wide output voltage range (3-30VDC) makes it versatile for different DC components, optimizing space utilization.

Problem Solved

Facilitates compact and efficient interfacing of DC signals in space-constrained control cabinets, allowing for higher component density and organized wiring.

Space-Saving DesignDIN Rail MountingControl Cabinet OptimizationDC Signal ConversionCompact FootprintIndustrial Wiring