Why Choose the TE Connectivity 1SNA105052R2100 MA2.5/5 Terminal Block?
The TE Connectivity 1SNA105052R2100 MA2.5/5 is a white screw-clamp feed-through terminal block from the ENTRELEC SNA series, designed to provide secure and organised conductor connections in industrial control panels, machinery and automation systems. Its compact 5 mm pitch and DIN rail mounting make it well suited to high-density electrical installations where dependable wiring and efficient use of panel space are important.
The MA2.5/5 uses proven screw-clamp termination technology and provides two connection positions on a single-level feed-through circuit. It accepts flexible conductors from 0.22–2.5 mm² and rigid stranded conductors from 0.2–4 mm², allowing the terminal to accommodate a practical range of industrial control and signal wiring.
With an IEC current rating of 24 A and voltage rating of 1000 V, the 1SNA105052R2100 combines compact dimensions with robust electrical performance. Its white polyamide 6.6 housing, IP20 protection rating and compatibility with G32, TH35-15 and TH35-7.5 DIN rails make it a versatile terminal for new panel builds, machine wiring and maintenance applications.
Key Advantages
- Compact 5 mm pitch feed-through terminal block for space-efficient panel wiring.
- 24 A IEC current rating for industrial control and signal circuits.
- 1000 V IEC voltage rating for dependable electrical performance.
- Proven screw-clamp termination provides secure conductor retention.
- Accepts flexible conductors up to 2.5 mm² and rigid conductors up to 4 mm².
- Universal DIN rail compatibility simplifies integration into industrial control panels.
Key Features
- TE Connectivity ENTRELEC SNA series.
- MA2.5/5 feed-through screw-clamp terminal block.
- White polyamide 6.6 housing.
- 2 positions with one circuit and one level.
- 5 mm terminal pitch.
- 24 A IEC current rating.
- 1000 V IEC operating voltage rating.
- 2.5 mm² rated conductor cross-section.
- DIN rail mounting on G32, TH35-15 and TH35-7.5 rails.
- IP20 protection rating and UL 94V-0 flammability classification.
Reliable Feed-Through Connections for Industrial Wiring
Feed-through terminal blocks provide a simple and dependable method of joining conductors while keeping electrical panel wiring organised and accessible. The MA2.5/5 uses screw-clamp technology to maintain secure electrical and mechanical contact, making it suitable for industrial installations where connections may be exposed to routine maintenance and demanding operating conditions.
Its narrow 5 mm profile helps maximise available DIN rail space, while compatibility with both symmetrical and asymmetrical rail formats provides installation flexibility. The white housing can also assist with circuit identification and functional grouping when used alongside other colours within complex control panel assemblies.
Typical Applications
- Industrial control panels and switchgear.
- PLC and automation system wiring.
- Machine building and OEM equipment.
- Signal and control circuit connections.
- Electrical distribution and instrumentation panels.
- Maintenance, refurbishment and panel wiring upgrades.
