Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1sna166574r2500 – fim10-i-1
TE Connectivity 1SNA166574R2500 FIM10-I-1 is a grey 10-pole ENTRELEC ESSAILEC test plug designed for the M10-I-C5A-1 reverse-mounting socket in transformer secondary, protection and electrical measurement circuits.
£12.61
Why Choose the TE Connectivity 1SNA166574R2500 FIM10-I-1 ESSAILEC Test Plug?
The TE Connectivity 1SNA166574R2500 is a specialised 10-pole test plug designed for electrical measurement, protection and transformer secondary circuit testing. Also identified as the FIM10-I-1, this grey plug forms part of the established ENTRELEC ESSAILEC test block system and is specifically designed to interface with the M10-I-C5A-1 reverse-mounting socket.
The FIM10-I-1 provides a removable test interface that allows engineers to connect measuring or test equipment without repeatedly altering permanent panel wiring. As part of the modular ESSAILEC system, it supports commissioning, monitoring, maintenance and diagnostic procedures in protection, metering and secondary transformer circuits where dependable and repeatable test access is required.
Designed for 10-pole multicircuit applications, the 1SNA166574R2500 is used with separately ordered BRE-T contact pins, allowing conductor contacts to be selected for the required wire size. The associated ESSAILEC system is rated at 400 V and 8 A, with a 4 kV impulse withstand voltage, making it suitable for demanding industrial and utility test installations.
Key Advantages
- Purpose-designed 10-pole test plug for transformer secondary and measurement circuits.
- Part of the established TE Connectivity / ENTRELEC ESSAILEC test block system.
- Designed specifically for the M10-I-C5A-1 reverse-mounting socket.
- Provides removable test access without unnecessary alteration of permanent panel wiring.
- Compatible with a range of separately selected BRE-T contact pins for different conductor sizes.
- Supports efficient commissioning, measurement, monitoring and maintenance procedures.
Key Features
- TE Connectivity / ENTRELEC ESSAILEC range.
- FIM10-I-1 test plug.
- 10-pole multicircuit configuration.
- Designed for reverse-mounting ESSAILEC installations.
- Compatible with the M10-I-C5A-1 socket.
- Grey insulating housing.
- Uses separately ordered BRE-T contact pins.
- Suitable for transformer, protection, metering and measurement test circuits.
Reliable Multicircuit Access for Electrical Testing
ESSAILEC test blocks provide a structured interface for current and voltage measurement, monitoring, injection testing and maintenance of meters and protection relays installed in transformer and sensor secondary circuits. A removable plug-and-socket arrangement allows technicians to access the required circuits while reducing the need to disturb permanent field connections.
The FIM10-I-1 is configured for the M10-I-C5A-1 reverse-mounting socket and forms part of this modular testing architecture. Its 10-pole arrangement and selectable BRE-T contacts make it a practical solution for protection panels, substations, switchgear and metering systems requiring dependable multicircuit test access.
Typical Applications
- Current and voltage transformer secondary circuits.
- Protection relay testing and commissioning.
- Electrical energy metering systems.
- Substation protection and control panels.
- Switchgear measurement and maintenance circuits.
- Industrial multicircuit electrical test systems.
Technical Specifications
Tick the specs you need, then view products that match.
| Terminal Type | Disconnect / Test | |
|---|---|---|
| Product Series | TE Essailec | |
| Connection | Pluggable | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | ESSAILEC | |
| Model | FIM10-I-1 | |
| Manufacturer part number | 1SNA166574R2500 | |
| Product type | Multicircuit test plug / contact insert | |
| Application | Transformer secondary circuit testing and measurement | |
| Number of poles | 10 | |
| Mounting system | Reverse-mounting ESSAILEC system | |
| Compatible socket | M10-I-C5A-1 | |
| Colour | Grey | |
| Contact system | BRE-T contact pins ordered separately | |
| Available BRE-T conductor sizes | 0.22–0.34, 0.75, 1, 1.5, 2.5 and 6 mm² | |
| System rated voltage | 400 V | |
| System rated current | 8 A | |
| System impulse withstand voltage | 4 kV | |
| Product net weight | approx. 30 g | |
| EAN | 3472591665741 | |
| Customs tariff number | 85369010 | |
| Pack quantity | 1 |
Frequently Asked Questions
What is the TE Connectivity 1SNA166574R2500 used for?
The 1SNA166574R2500 FIM10-I-1 is a 10-pole ESSAILEC test plug used to provide removable access to transformer secondary, protection and measurement circuits during testing, commissioning and maintenance.
Which socket is compatible with the FIM10-I-1?
The FIM10-I-1 is specifically designed for use with the M10-I-C5A-1 reverse-mounting ESSAILEC socket.
How many poles does the FIM10-I-1 have?
The FIM10-I-1 is designed for a 10-pole multicircuit connection, providing a compact test interface for multiple secondary circuit connections.
Are contact pins included with the 1SNA166574R2500?
The required BRE-T contact pins are ordered separately. Compatible BRE-T contacts are available for conductor sizes including 0.22–0.34, 0.75, 1, 1.5, 2.5 and 6 mm².
Where is the FIM10-I-1 typically used?
The FIM10-I-1 is suitable for transformer secondary circuits, protection relay systems, electrical metering, substations and switchgear where repeatable multicircuit access is required for testing and maintenance.
Trusted Test Connectivity for Electrical Protection Systems
TE Connectivity ENTRELEC ESSAILEC test components provide structured and dependable access to transformer secondary, protection and measurement circuits, helping engineers perform commissioning, diagnostics and maintenance through a modular multicircuit plug-and-socket interface.
