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48.31.8.024.0060SMA Finder 1 CO Contacts 24V AC Modular Interface Relay with Green LED + varistor Indication
MPN: 48.31.8.024.0060SMA
Alt. SKU: 483180240060SMA
Special Price
£14.50
£12.08
Regular Price
£22.30
Why Choose the Finder 48.31.8.024.0060SMA Modular Interface Relay?
The Finder 48.31.8.024.0060SMA is a compact modular interface relay designed to provide reliable electrical isolation between PLC outputs and field devices in industrial automation systems. It features a single changeover contact (1 CO / SPDT) and a 24 V AC control coil, enabling dependable switching of loads from automation controllers, sensors and control equipment.
This version includes an integrated green LED indicator together with a varistor suppression circuit. The LED provides clear visual confirmation when the relay coil is energised, while the varistor protects control electronics from voltage spikes caused by coil switching. As part of the Finder Series 48 relay interface modules, it is commonly installed on DIN rail sockets within control cabinets and automation panels.
With its compact modular format and dependable silver-nickel contact system, the 48.31 interface relay offers reliable signal isolation and switching performance for PLC interface circuits, machine control systems and building automation installations.
Key Features
- 1 changeover contact (SPDT / 1 CO) for flexible switching applications.
- 24 V AC coil voltage suitable for industrial control circuits.
- Integrated green LED indicator showing relay coil status.
- Built-in varistor suppression protecting electronics from switching spikes.
- Rated contact current up to 10 A for industrial loads.
- DIN rail interface relay module for control cabinets.
- Compact 15.8 mm module width enabling high-density installations.
- AgNi contact material providing long electrical service life.
Technical Specifications
- Manufacturer: Finder
- Series: 48 Series relay interface modules
- Model: 48.31.8.024.0060SMA
- 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
- Maximum load: approx. 4000 VA
- Coil voltage: 24 V AC
- Indicator: Green LED
- Coil suppression: Varistor
- Contact material: Silver Nickel (AgNi)
- Operate / release time: approx. 7 ms / 4 ms
- Mounting: DIN rail (EN 60715) via compatible socket
- Terminal type: Screw terminals
- Operating temperature: −40 °C to +70 °C
- Module width: approx. 15.8 mm
Typical Applications
- PLC output interface modules.
- Industrial automation control cabinets.
- Machine control and signal isolation.
- Building automation and HVAC systems.
- Industrial process control equipment.
Frequently Asked Questions
What is the Finder 48.31.8.024.0060SMA used for?
This relay is used to interface PLC outputs or control circuits with field loads while providing electrical isolation and reliable switching.
What contact configuration does this relay have?
The relay provides a single changeover contact (SPDT / 1 CO), allowing switching between normally open and normally closed circuits.
What coil voltage does the relay use?
This version operates with a 24 V AC control coil.
Does the relay include an LED indicator?
Yes. The relay includes a green LED indicator showing when the coil is energised.
What suppression protection does this relay include?
The relay incorporates a varistor suppression circuit to protect control electronics from voltage spikes generated during switching.
Trusted by Automation Engineers
Finder interface relays are widely trusted by automation engineers and panel builders for reliable signal isolation and switching in industrial control cabinets and automation systems.
| Manufacturer Part Number | 48.31.8.024.0060SMA |
|---|---|
| Range | 48 |
| Height | 78.6mm |
| Width | 15.8mm |
| Depth | 59.9mm |
| Manufacturer | Finder |
| Packed Quantity | 10 |
| HS Code | 85364900 |
| Barcode | 8012823306681 |
| Degree of protection (IP) | IP20 |
| Type of electric connection | Screw connection |
| With LED indication | Yes |
| Voltage type for actuating | AC |
| Rated control supply voltage AC 60 Hz | 24; 24 |
| Rated control supply voltage AC 50 Hz | 24; 24 |
| With detachable clamps | Yes |
| Material of contact insert | Thermoplastic |
| Contact material | AgNi |
| Material of contact surface | Untreated |
| Type of switch contact | Single contact |
| Drive, switching attitude | Mono stable |
| Drive, polarization | Polarity free |
| Nominal current | 10A |
| Number of contacts as change-over contact | 1 |
| Indication Type | Green LED + varistor |
| Alternative Product SKU | 483180240060SMA |
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