TE Connectivity 1SNA115987R0100 M4/6.SNBT is a 6 mm wide ENTRELEC SNA screw-clamp disconnect terminal block with a blade and two 2 mm test sockets, rated at 400 V and 20 A IEC for industrial signal circuits.
£3.14
The TE Connectivity 1SNA115987R0100 M4/6.SNBT is a compact screw-clamp disconnect terminal block from the ENTRELEC SNA series, designed for reliable signal circuit connection, isolation and testing in industrial control panels and automation systems. Its integrated blade disconnect allows an individual circuit to be opened without removing the connected conductors, simplifying commissioning, maintenance and fault finding.
The M4/6.SNBT combines proven screw-terminal connection technology with a blade-operated disconnect mechanism and two built-in 2 mm test sockets. The disconnect blade can be operated by hand or with a screwdriver, while the test points provide convenient access for compatible measurement equipment without disturbing permanent field wiring.
With an IEC voltage rating of 400 V, an IEC current rating of 20 A and a nominal conductor size of 4 mm², the 1SNA115987R0100 provides dependable performance for industrial signal circuits. Its compact 6 mm width, IP20 construction and compatibility with G32, TH35-7.5 and TH35-15 DIN rails make it well suited to high-density control cabinet installations.
Disconnect terminal blocks allow individual electrical circuits to be opened during commissioning, testing, maintenance and troubleshooting without disturbing permanent field wiring. The M4/6.SNBT combines a blade-operated disconnect with secure screw-clamp conductor connections, providing straightforward isolation while keeping incoming and outgoing wiring firmly terminated.
The two integrated 2 mm test sockets provide convenient access for compatible test equipment, allowing engineers to perform circuit measurements without removing conductors. Its narrow 6 mm profile, robust Polyamide 6.6 housing and compatibility with common DIN rail formats make the 1SNA115987R0100 a practical solution for high-density industrial control and instrumentation assemblies.
| Manufacturer | TE Connectivity / ENTRELEC |
|---|---|
| Series | ENTRELEC SNA |
| Model | M4/6.SNBT |
| Manufacturer part number | 1SNA115987R0100 |
| Product type | Screw-clamp disconnect terminal block |
| Block function | Disconnect |
| Disconnect type | Blade |
| Test sockets | 2 × 2 mm |
| Number of circuits | 1 |
| Number of poles | 2 |
| Number of levels | 1 |
| Number of positions | 2 |
| Gauge type | A4 |
| IEC voltage rating | 400 V |
| CSA voltage rating | 600 V |
| UL / CSA maximum main-circuit operating voltage | 300 V |
| IEC current rating | 20 A |
| UL current rating | 10 A |
| CSA current rating | 15 A |
| Maximum contact current rating | 20 A |
| Short-time withstand current at 1 second | 300 A |
| Impulse withstand voltage | 4000 V |
| Nominal wire size | 4 mm² / 10 AWG |
| Flexible conductor capacity | 0.5–4 mm² |
| Rigid stranded conductor capacity | 0.5–4 mm² |
| Termination method | Screw terminal |
| Wire stripping length | 9.5 mm |
| Tool size | 4 mm |
| Tightening torque | 0.5 N·m |
| Protection rating | IP20 |
| Housing material | Polyamide 6.6 |
| Colour | Grey / orange |
| Flammability rating | UL 94V-0 |
| Operating temperature | -55 to +110 °C |
| Installation temperature | -5 to +40 °C |
| Circuit application | Signal |
| Mounting type | DIN rail |
| Compatible DIN rails | G32, TH35-7.5 and TH35-15 |
| Product spacing | 6 mm |
| Dimensions (H × W × D) | 44.5 × 6 × 44.5 mm |
| Weight | 11 g |
The 1SNA115987R0100 is a screw-clamp disconnect terminal block designed to connect, isolate and test signal circuits in industrial control, instrumentation and automation systems.
Yes. The terminal incorporates two built-in 2 mm test sockets, providing convenient access for compatible electrical test and measurement equipment.
The M4/6.SNBT has an IEC voltage rating of 400 V and an IEC current rating of 20 A, with a nominal conductor size of 4 mm².
The terminal accepts flexible and rigid stranded conductors from 0.5–4 mm².
The terminal block is designed for DIN rail installation and is compatible with G32, TH35-7.5 and TH35-15 rails.
TE Connectivity ENTRELEC SNA disconnect terminal blocks provide dependable circuit isolation and test access for industrial control and automation systems, combining proven screw-clamp technology with compact DIN rail construction and convenient blade-operated disconnection.
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2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...
2025 has been a big year for LED Controls, and our blog has expanded accordingly. We've covered a wide range of topics across industrial control and factory automation this year. From core technology explainers and new product releases to panel building best practice...