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Finder 39.11.0.012.0073 Series 39 MasterBASIC ATEX/HazLoc electromechanical relay interface featuring a 12 V AC/DC control input, 6 A single changeover contact, silver nickel contacts and an ultra-slim 6.2 mm DIN rail housing with box-clamp screw terminals for industrial automation and PLC interfacing.
£17.47
The Finder 39.11.0.012.0073 is an ultra-slim 6 A electromechanical relay interface module designed for industrial automation, PLC interfacing and electrical control systems. Part of the Finder Series 39 MasterINTERFACE range, this module combines a compact electromechanical relay with a DIN rail-mounted socket, providing a practical switching interface between low-voltage control signals and compatible electrical loads.
Featuring a 12 V AC/DC control input and a single changeover contact (1 CO / SPDT), the module enables compatible control equipment to switch AC or DC circuits through electrically isolated mechanical contacts. Its 6 A contact rating and silver nickel contact material make it suitable for a variety of industrial control and automation applications.
The Finder 39.11.0.012.0073 belongs to the MasterBASIC ATEX/HazLoc electromechanical relay range. It incorporates a Finder 34.51.7.012.0000 relay and a Finder 93.61.0.024.7 socket, providing a complete interface assembly with box-clamp screw terminals and standard DIN rail mounting. Its compact 6.2 mm width makes it particularly useful in control cabinets where installation space is limited.
The Finder 39.11.0.012.0073 provides a compact interface between low-voltage control equipment and compatible switched electrical circuits. When an appropriate 12 V AC/DC control signal is applied, the internal electromechanical relay energises, transferring its common contact from the normally closed terminal to the normally open terminal. Removing the control signal allows the relay to return to its normal position.
Its single-pole changeover contact provides flexibility for control signalling, circuit selection and load switching. Unlike a solid state relay, the electromechanical switching mechanism uses physical contacts, making it suitable for applications requiring a conventional changeover contact arrangement. The connected load must remain within the manufacturer's applicable switching ratings, particularly when controlling inductive or high-inrush equipment.
The module combines a Finder 34.51.7.012.0000 relay with a Finder 93.61.0.024.7 socket. This arrangement provides a replaceable relay within a compact DIN rail-mounted interface assembly, helping simplify installation, inspection and maintenance without requiring the entire socket assembly to be replaced when servicing the relay.
With a width of only 6.2 mm, the Finder 39.11.0.012.0073 can be installed alongside other compatible interface modules in densely populated control cabinets. Its box-clamp screw terminals provide practical wiring connections, while the LED indication assists with identifying the control status during commissioning and fault-finding.
The ATEX/HazLoc version is intended for installations where the applicable hazardous-location approvals are required. Suitability must be established using the product's current certification, permitted electrical ratings, temperature classification and installation instructions.
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| Device Type | Interface Relay | |
|---|---|---|
| Terminal Type | Screw | |
| Switching Current (A) | 6 A | |
| Load Voltage | 400 V AC | |
| Mounting Type | DIN rail | |
| Manufacturer | Finder | |
| Series | Series 39 – MasterINTERFACE | |
| Model | 39.11.0.012.0073 | |
| Product type | Electromechanical relay interface module | |
| Interface family | MasterBASIC ATEX/HazLoc | |
| Relay technology | Electromechanical | |
| Nominal control voltage | 12 V AC/DC | |
| Contact configuration | 1 CO / SPDT | |
| Number of poles | 1 | |
| Rated contact current | 6 A | |
| Rated contact voltage | 250 V AC | |
| Maximum switching voltage | 400 V AC | |
| Rated resistive switching current | 6 A at 250 V AC | |
| Rated resistive DC switching current | 6 A at 24 V DC | |
| Contact material | Silver nickel (AgNi) | |
| Operating principle | Monostable, non-latching | |
| Operate time | 5 ms | |
| Release time | 6 ms | |
| Mechanical endurance | 10 million cycles | |
| Operating temperature | −40 to +70 °C | |
| Protection category | IP20 | |
| Module width | 6.2 mm | |
| Overall dimensions | 94.3 × 6.2 × 90.7 mm | |
| Mounting | 35 mm DIN rail | |
| Terminal type | Box-clamp screw terminals | |
| Status indication | LED | |
| Included relay | Finder 34.51.7.012.0000 | |
| Included socket | Finder 93.61.0.024.7 | |
| Product variant | ATEX/HazLoc |
The Finder 39.11.0.012.0073 is an electromechanical relay interface module designed for industrial automation and electrical control systems. It allows a compatible 12 V AC/DC control signal to operate an isolated changeover contact for switching suitable electrical loads.
The module has a 12 V AC/DC nominal control input, allowing it to operate from compatible alternating-current or direct-current control supplies.
The Finder 39.11.0.012.0073 has a 6 A rated contact current. The permissible load depends on the switching voltage, load characteristics and applicable utilisation-category ratings.
The module features one changeover contact (1 CO / SPDT), providing common, normally open and normally closed connections.
Yes. Its electromechanical changeover contact can switch compatible AC or DC loads within the manufacturer's specified ratings. DC switching capability varies with voltage and load characteristics.
No. The Finder 39.11.0.012.0073 is an electromechanical relay interface. It uses physical switching contacts, unlike solid state relay modules that use semiconductor switching devices.
Yes. The Finder 39.11.0.012.0073 is designed for 35 mm DIN rail mounting. Its compact 6.2 mm width makes it suitable for space-efficient industrial control panels.
The module combines a Finder 34.51.7.012.0000 electromechanical relay with a Finder 93.61.0.024.7 socket, forming a complete MasterBASIC relay interface assembly.
Yes. The 39.11 version uses box-clamp screw terminals. Finder also offers compatible Series 39 configurations with alternative terminal technologies.
The Finder 39.11.0.012.0073 is an ATEX/HazLoc variant intended for suitable installations requiring the applicable hazardous-location approvals. The specific installation must comply with the product certification, temperature classification and manufacturer's instructions.
The 39.11.0.012.0073 is an electromechanical interface with a 12 V AC/DC control input and 6 A changeover contact. The 39.10.0.024.9073 is a solid state interface with a 24 V AC/DC control input and normally open DC semiconductor output. They use different switching technologies and are not direct substitutes.
Finder Series 39 MasterINTERFACE modules provide compact and versatile solutions for industrial control, combining DIN rail installation, replaceable relay technology and dependable electrical switching for PLC interfacing and automation systems.
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