FCR18-ERM 18mm 3-Channel Relay Module
High-Capacity 16A Changeover Relays for Demanding Applications
Product Overview
The FCR18-ERM is a robust relay module designed for high-current applications requiring reliable switching capabilities. Featuring three independent 16A changeover (CO) relays in a compact 18mm profile, this module delivers exceptional performance for industrial control systems. With universal voltage input compatibility (DC5V/12V/24V/48V, AC110V/220V), the FCR18-ERM provides versatile solutions for power distribution, motor control, and heavy-duty switching applications.
Key Technical Advantages
High-Current Changeover Relays
Three independent 16A changeover relays for complex switching applications.
Universal Voltage Input
Compatible with DC5V/12V/24V/48V and AC110V/220V systems.
High Switching Capacity
Each relay supports 16A @ 250V AC / 30V DC for industrial loads.
Robust PCB Design
Heavy-duty construction with high-temperature FR-4 material for reliability.
Compact Form Factor
Only 18mm thick – optimal for high-current applications.
Secure Terminal Design
Screw terminals for reliable high-current connections.
Enhanced Thermal Management
Optimized heat dissipation for continuous high-current operation.
Overload Protection
Integrated arc suppression and surge protection circuits.
LED Status Indicators
Visual feedback for each relay status and power indication.
16A Switching Capacity
Designed for high-current applications, each changeover relay can handle up to 16A at 250V AC, making it ideal for motor controls, heating elements, and power distribution systems.
Industrial Application Scenarios
The FCR18-ERM excels in applications requiring high-current switching with reliable changeover functionality:
Motor Control Systems
Direction control and starting/stopping for industrial motors.
Key Benefits:
- 16A capacity for motor loads
- Changeover contacts for forward/reverse control
- Robust construction for industrial environments
Heating Control
Switching and control for industrial heating elements.
Key Benefits:
- High-current handling for heating loads
- Reliable switching for temperature control
- Thermal management for continuous operation
Power Distribution
Circuit switching in power distribution panels.
Key Benefits:
- 16A rating for branch circuit control
- Changeover functionality for backup power systems
- Universal voltage compatibility
Industrial Machinery
Control systems for heavy machinery and equipment.
Key Benefits:
- Robust design for harsh environments
- High-current switching capability
- Compact form factor for control panels
HVAC Systems
Compressor and fan control in heating and cooling systems.
Key Benefits:
- 16A capacity for compressor loads
- Changeover contacts for reversing valves
- Reliable operation in temperature-varying environments
Power Backup Systems
Automatic transfer switching for backup power.
Key Benefits:
- Changeover functionality for source switching
- High-current capacity for main power lines
- Reliable operation for critical systems
Wiring Configuration
Dimension
Standard DIN Rail Installation:
Technical Specifications
| Parameter | FCR18-ERM |
|---|---|
| Module Thickness | 18mm |
| Relay Configuration | 3 × 16A Changeover (CO) |
| Input Voltage | DC5V/9V/12V/24V/48V / AC110V/220V |
| Contact Rating (CO) | 16A @ 250V AC / 30V DC |
| Coil Power Consumption | ≤ 1.2W per relay |
| Electrical Life | 100,000 operations (resistive) |
| Mechanical Life | 10 million operations |
| Operating Temperature | -40°C to +85°C |
| Terminal Type | Screw terminals |
| Wire Size | 0.5-4.0mm² (AWG 20-12) |
| Isolation Voltage | 4,000V AC |
| Dielectric Strength | 2,500V AC (between coil and contacts) |
| Insulation Resistance | 100MΩ min. (at 500V DC) |
| Standards | IEC 61810-1, EN 61810-1 |
Request Samples or Technical Support
Contact our engineering team for application assistance

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