TE Connectivity 1SNA115506R1700 MA2.5/5.SB is a 5 mm screw clamp disconnect terminal block with a 2.5 mm² rated cross-section for industrial control, automation and circuit isolation applications.
£2.74
The TE Connectivity 1SNA115506R1700, also designated MA2.5/5.SB, is a compact screw clamp disconnect terminal block designed for reliable circuit isolation, testing and wiring in industrial control panels and automation systems. Part of the established TE Connectivity ENTRELEC SNA screw clamp series, it combines secure conductor termination with a disconnect component holder plug for convenient circuit separation.
The MA2.5/5.SB provides an efficient way to isolate electrical circuits without disturbing the permanently connected conductors. Its narrow 5 mm profile helps maximise terminal density inside control cabinets, while the screw clamp connection system provides dependable conductor retention in demanding industrial applications.
Designed around a 2.5 mm² rated cross-section, the MA2.5/5.SB is suitable for compact industrial wiring assemblies where dependable disconnect functionality is required. Its grey housing and DIN rail mounting design allow straightforward integration with ENTRELEC SNA terminal assemblies on G32, TH35-7.5 and TH35-15 rail systems.
Disconnect terminal blocks such as the TE Connectivity ENTRELEC MA2.5/5.SB provide a secure electrical connection while allowing circuits to be separated when required for commissioning, testing, troubleshooting or maintenance. The disconnect component holder plug provides convenient circuit separation without requiring the field wiring to be removed from the terminal.
The ENTRELEC SNA screw clamp range is designed for organised and dependable industrial panel wiring. The MA2.5/5.SB shares the compact profile of compatible SNA terminals, helping engineers create neatly aligned terminal assemblies while maintaining convenient access to individual circuits.
| Manufacturer | TE Connectivity |
|---|---|
| Brand / range | ENTRELEC |
| Series | SNA Screw Clamp |
| Model | MA2.5/5.SB |
| Part number | 1SNA115506R1700 |
| Product type | Screw clamp disconnect terminal block |
| Function | Disconnect with component holder plug |
| Rated cross-section | 2.5 mm² |
| Terminal spacing | 5 mm |
| Rated impulse withstand voltage | 4,000 V |
| Protection rating | IP20 |
| Mounting type | DIN rail |
| DIN rail compatibility | G32 / TH35-7.5 / TH35-15 |
| Colour | Grey |
| Dimensions (H × W × D) | 44.5 × 5 × 59 mm |
| Weight | 10 g |
| Operating temperature range | -55–110 °C |
| Storage temperature range | -55–110 °C |
| Pack quantity | 50 |
| EAN | 3472591155068 |
The 1SNA115506R1700 is a screw clamp disconnect terminal block designed for connecting and isolating electrical circuits in industrial control panels, automation equipment and machinery.
The MA2.5/5.SB has a 2.5 mm² rated cross-section, making it suitable for compact industrial control and signal wiring applications.
The terminal block is only 5 mm wide, allowing high-density terminal assemblies to be created inside electrical control cabinets.
The MA2.5/5.SB incorporates a disconnect component holder plug that allows the electrical circuit to be separated for testing, commissioning or maintenance without removing the permanently connected field conductors.
The MA2.5/5.SB is designed for DIN rail installation and is compatible with G32, TH35-7.5 and TH35-15 rails.
TE Connectivity ENTRELEC SNA terminal blocks provide dependable screw clamp connections and modular DIN rail installation for industrial control, automation and electrical distribution systems where reliable circuit termination and isolation are essential.
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LED Controls is a specialist distributor of factory automation and industrial controls, supplying OEMs, machine builders, panel builders and end users throughout the UK and worldwide. As a trusted UK distributor for many of the world’s leading automation manufacturers, we provide industrial control products, technical expertise and bespoke automation solutions backed by outstanding customer service.
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...