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48.31.7.048.0050SPA Finder 1 CO Contacts DC Modular Interface Relay with Green LED + varistor Indication
Finder 48.31.7.048.0050SPA modular interface relay with 1 changeover contact, 48 V DC coil, green LED indicator and varistor suppression for PLC interface applications.
£12.75
Why Choose the Finder 48.31.7.048.0050SPA Interface Relay Module?
The Finder 48.31.7.048.0050SPA is a compact and reliable DIN rail interface relay module designed for electrical isolation and signal switching between PLCs, automation controllers and industrial field devices. Part of the proven Finder Series 48 interface relay range, it provides dependable switching performance for industrial control panels and automation systems.
This relay module features a 48 V DC coil, a SPDT (1 CO) changeover contact and a 10 A switching current rating, making it suitable for general-purpose industrial control applications. The integrated LED indication, diode protection and EMC suppression module help simplify installation while improving system diagnostics and operational reliability.
With 35 mm DIN rail mounting, screw terminal connections, a compact 15.8 mm housing width and silver nickel contacts, the Finder 48.31.7.048.0050SPA is ideal for PLC interfaces, machine automation, electrical control panels and industrial switching applications.
Key Advantages
- Compact interface relay module for industrial automation systems.
- 48 V DC coil operation suitable for industrial control circuits.
- SPDT (1 CO) changeover contact provides flexible switching capability.
- 10 A contact rating supports a wide range of control loads.
- Integrated LED indication and EMC coil suppression.
- DIN rail mounting enables quick installation inside control cabinets.
Key Features
- Finder Series 48 interface relay module.
- Model: 48.31.7.048.0050SPA.
- 48 V DC coil voltage.
- 1 CO (SPDT) contact configuration.
- 10 A switching current.
- 400 V AC maximum switching voltage.
- 4000 VA maximum switching power.
- Silver nickel (AgNi) contact material.
- LED operating indication.
- Diode polarity protection.
- EMC suppression module included.
- 35 mm DIN rail mounting.
Reliable Signal Isolation for Industrial Automation
Interface relays such as the Finder 48.31.7.048.0050SPA provide electrical separation between sensitive automation electronics and external loads. This helps protect PLC outputs while allowing reliable control of actuators, contactors and industrial devices.
The Finder Series 48 interface relay family is designed for efficient integration into modern electrical cabinets. Its slim housing, clear status indication and modular DIN rail mounting make it a practical solution for industrial automation and control applications.
Typical Applications
- PLC output interface systems.
- Industrial automation control panels.
- Machine control equipment.
- Building automation systems.
- Motor and actuator switching circuits.
- Electrical distribution panels.
- Process control installations.
Technical Specifications
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| Device Type | Interface Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Load Voltage | 400 V AC | |
| Mounting Type | DIN rail | |
| Switching Current (A) | 10 A | |
| Voltage | 48 V | |
| IP Rating | IP20 | |
| Coil / Supply Voltage | 48 V DC | |
| Contacts | 1 C/O | |
| Series | 48 Series relay interface modules | |
| Product type | Modular interface relay | |
| Contact configuration | 1 CO (SPDT) | |
| Rated contact current | 10 A | |
| Rated switching voltage | 250 V AC | |
| Maximum switching voltage | 400 V AC | |
| DC switching rating | 10 A at 30 V DC | |
| Coil voltage | 48 V DC | |
| Indicator | Green LED | |
| Coil suppression | Varistor | |
| Operate / release time | approx. 12 ms / 12 ms | |
| Contact material | Silver Nickel (AgNi) | |
| Mechanical life | approx. 10 × 10⁶ operations | |
| Electrical life | approx. 100 × 10³ operations at rated load | |
| Mounting | DIN rail interface module | |
| Terminal type | Screw terminals | |
| Protection rating | IP20 | |
| Operating temperature | −40 °C to +70 °C | |
| Dimensions | approx. 78.6 × 15.8 × 75 mm | |
| HS Code | 85364900 |
Frequently Asked Questions
What is the Finder 48.31.7.048.0050SPA used for?
The Finder 48.31.7.048.0050SPA is used as an interface relay for isolating and switching signals between PLCs, controllers and industrial field devices.
What coil voltage does this relay module require?
This relay module operates with a 48 V DC coil supply.
What type of contact does this relay have?
The module features a SPDT (1 CO) changeover contact for flexible switching applications.
What is the maximum switching current?
The Finder 48.31.7.048.0050SPA supports switching currents up to 10 A.
How is this relay installed?
The relay module is designed for installation on a standard 35 mm DIN rail inside electrical control cabinets.
Trusted by Industrial Automation Professionals
Finder Series 48 interface relay modules are widely used in automation and control systems where reliable signal isolation, compact DIN rail installation and dependable switching performance are required.
