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1sna115687r1400 – m4/6 snbt4
TE Connectivity 1SNA115687R1400 M4/6.SNBT4 is a compact 6 mm ENTRELEC SNA screw-clamp disconnect and measurement terminal block with an integrated test socket, 20 A rating and 0.5–4 mm² rigid conductor capacity for industrial control and signal circuits.
£4.60
Why Choose the TE Connectivity M4/6.SNBT4 1SNA115687R1400 Disconnect Terminal Block?
The TE Connectivity M4/6.SNBT4 1SNA115687R1400 is a compact screw-clamp disconnect and measurement terminal block designed for circuit isolation, testing and signal wiring in industrial electrical panels. Part of the established ENTRELEC SNA screw terminal range, it combines dependable screw connections with a pivoting disconnect arrangement and an integrated test socket for efficient commissioning, maintenance and troubleshooting.
With a width of only 6 mm, the M4/6.SNBT4 provides high wiring density while retaining convenient access to the disconnect and test functions. The terminal has a single-level, two-connection-point configuration and accommodates rigid conductors from 0.5–4 mm², making it particularly suitable for control, signal and instrumentation circuits.
The 1SNA115687R1400 carries a rated current of 20 A and is designed for mounting on TH35 and G32 DIN rail profiles. Its grey thermoplastic insulating body, wide operating temperature range and integrated test facility make it a practical choice for machine building, factory automation and process-control installations where reliable circuit isolation and accessible testing are required.
Key Advantages
- Integrated disconnect function allows individual circuits to be isolated without removing permanent wiring.
- Built-in test socket provides convenient access for measurement and diagnostics.
- 20 A rated current for dependable industrial control and signal connections.
- Compact 6 mm width helps maximise available DIN rail space.
- Accepts rigid conductors from 0.5–4 mm².
- Compatible with TH35 and G32 DIN rail profiles for flexible panel installation.
Key Features
- TE Connectivity / ENTRELEC SNA screw terminal series.
- M4/6.SNBT4 disconnect and measurement configuration.
- Single-level design with two connection points.
- Integrated test socket for electrical measurements.
- Pivoting longitudinal and transverse disconnect arrangement.
- Reliable screw-clamp connection technology.
- 20 A rated current.
- Compact 6 mm terminal width.
- Grey thermoplastic insulating housing for professional control-panel installations.
Reliable Circuit Isolation and Testing
Disconnect terminal blocks provide a convenient interface for opening individual circuits during commissioning, testing and maintenance while leaving the permanent field wiring securely terminated. The M4/6.SNBT4 combines this isolation capability with screw-clamp connections, helping technicians perform diagnostic work without repeatedly disconnecting conductors.
The integrated test socket provides a dedicated access point for electrical measurements, while the compact 6 mm profile supports high-density panel layouts. This combination makes the M4/6.SNBT4 particularly useful for signal, instrumentation and automation circuits where accessible testing, organised wiring and dependable connections are important.
Typical Applications
- Industrial control and automation panels.
- Signal circuit isolation and testing.
- PLC input and output wiring.
- Instrumentation and measurement circuits.
- Machine control and OEM equipment.
- Commissioning, maintenance and diagnostic circuits.
Technical Specifications
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| Number of Connection Points | 2 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | Screw clamp | |
| Terminal Type | Disconnect / Test | |
| Conductor Size | 4 mm² | |
| Number of Levels | 1 | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | SNA Screw | |
| Model | M4/6.SNBT4 | |
| Part number | 1SNA115687R1400 | |
| Product type | Disconnect and measurement terminal block | |
| Block function | Disconnect / switch | |
| Connection technology | Screw clamp | |
| Number of levels | 1 | |
| Connection points per level | 2 | |
| Integrated test socket | Yes | |
| Longitudinal disconnect configuration | Pivoting | |
| Transverse disconnect configuration | Pivoting | |
| Rated current | 20 A | |
| Rated voltage | 320 V | |
| Rigid conductor cross-section | 0.5–4 mm² | |
| Fine-stranded conductor cross-section without ferrule | up to 4 mm² | |
| Mounting profile | TH35 / G32 DIN rail | |
| Width | 6 mm | |
| Height | 44.5 mm | |
| Depth | 44.5 mm | |
| Colour | Grey | |
| Insulating body material | Thermoplastic | |
| Flammability classification | V0 | |
| Operating temperature range | -55 to +110 °C | |
| End plate required | Yes | |
| EAN | 3472591156874 |
Frequently Asked Questions
What is the TE Connectivity M4/6.SNBT4 1SNA115687R1400 used for?
It is a disconnect and measurement terminal block used to connect, isolate and test electrical circuits in industrial control, automation and instrumentation systems.
What is the rated current of the M4/6.SNBT4?
The 1SNA115687R1400 has a rated current of 20 A, making it suitable for a wide range of industrial control and signal circuits.
What conductor sizes can the 1SNA115687R1400 accept?
The screw-clamp terminal accepts rigid conductors from 0.5–4 mm² and supports fine-stranded conductors up to 4 mm² without a ferrule.
Does the M4/6.SNBT4 have an integrated test connection?
Yes. The terminal block incorporates an integrated test socket, providing convenient access for circuit measurements and diagnostic testing.
Which DIN rails are compatible with the 1SNA115687R1400?
The M4/6.SNBT4 is designed for mounting on TH35 and G32 DIN rail profiles, providing flexibility for industrial control-panel installations.
Trusted Industrial Connection Technology
TE Connectivity ENTRELEC SNA disconnect terminal blocks combine proven screw-clamp connectivity with accessible isolation and testing functions, helping panel builders and automation engineers create organised, reliable and maintainable industrial electrical systems.
