Name: WAGO 788-412 Relay Module - INOSAKI
SKU: Wago-788-412
Price: 46.73 USD
Availability: InStock

Technical Overview

24 VDC relay module with 2 gold-plated changeover contacts, 8A continuous current, and Push-in CAGE CLAMP connections for DIN rail mounting.

Key Features

Nominal input voltage: 24 VDC.
2 changeover contacts (DPDT) for versatile switching applications.
Limiting continuous current: 8 A for reliable load control.
Hard gold-plated Silver-Nickel contacts suitable for low-current switching.
Red LED status indicator for clear operational feedback.
Push-in CAGE CLAMP connections for quick, tool-free, and vibration-proof wiring.
DIN-35 rail mounting for easy integration into control cabinets.
Compact 15 mm module width for high packing density.
Wide operating temperature range of -40°C to +70°C.

Technical Specification Matrix

Parameter	Value
Nominal Input Voltage	24 VDC
Number of Contacts	2 changeover contacts (DPDT)
Limiting Continuous Current	8 A
Rated Current (Gold Contacts)	50 mA (30 VDC; DC-13)
Connection Type	Push-in CAGE CLAMP
Rated Operating Voltage (Ue)	250 V
Conductor Size (Single wire max)	2.5 mm² / 14 AWG
Conductor Size (Single wire min)	0.34 mm² / 22 AWG
Stripping Length	9 mm
IP Rating	IP20
Operating Temperature	-40°C to +70°C
Storage Temperature	-40°C to +70°C
Contact Material	Hard Gold-plated Silver-Nickel (AgNi + Au)
Mounting Type	DIN-35 rail
Indicator	Red LED
Physical Weight (kg)	0.05
Dimensions L x W x H (cm)	5.4 x 1.5 x 8.6

Industrial Applications

1. Industrial Control Panel Signal Isolation

This relay module is ideal for electrically isolating low-power control signals (e.g., from PLCs) from higher-power loads or different voltage potentials within industrial control panels. The gold contacts ensure reliable switching of even very low currents.

Problem Solved

Prevents noise interference and protects sensitive control electronics from voltage spikes or current surges, ensuring stable system operation. The 24 VDC input is standard for control systems, and the gold contacts are crucial for reliable low-current signal switching.

Electrical isolationSignal conditioningPLC outputLow current switching24 VDCDPDT contacts

2. Automated Machine Actuator Control

Integrating this relay into automated machinery allows for precise control of small actuators such as solenoids, small motors, or indicator lights. Its compact size facilitates high-density installation in machine cabinets.

Problem Solved

Enables a centralized 24 VDC control system to safely and reliably switch multiple independent circuits for various machine functions. The 15 mm width is critical for maximizing space utilization in crowded industrial enclosures.

Actuator controlSolenoid switchingMachine automation24 VDC8A switchingCompact designDIN rail

3. Building Automation HVAC System Control

The WAGO 788-412 can be effectively used in Building Management Systems (BMS) or HVAC control panels to switch auxiliary functions like damper actuators, fan speeds (via contactors), or status indicators, using standard 24 VDC control signals.

Problem Solved

Provides robust and reliable switching for building automation components in varying environmental conditions. The multiple contact configurations (2 changeover) support complex control logic required in modern HVAC systems, and the wide operating temperature ensures performance in utility rooms.

HVAC controlBuilding Management System (BMS)24 VDCReliable switchingWide temperature rangeDPDT contacts