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1sna125485r0400 – ma2,5/5.1.n blue term+part’ion
TE Connectivity MA2.5/5.1.N 1SNA125485R0400 is a blue 2.5 mm² screw clamp feed-through terminal block with a 5 mm pitch, rated at 24 A and 1000 V to IEC specifications for industrial signal and control wiring.
£0.8449
Why Choose the TE Connectivity MA2.5/5.1.N 1SNA125485R0400 Terminal Block?
The TE Connectivity MA2.5/5.1.N 1SNA125485R0400 is a blue screw clamp feed-through terminal block designed for reliable signal and control wiring in industrial electrical panels. Part of the established TE Connectivity Entrelec SNA terminal block series, it combines compact dimensions with dependable screw termination for professional machinery, automation and panel-building applications.
With a nominal conductor size of 2.5 mm², the MA2.5/5.1.N is rated at 24 A and 1000 V to IEC specifications. Its single-level, two-position configuration provides a straightforward feed-through connection, while the blue housing supports clear circuit identification within densely populated terminal assemblies.
The terminal block has a compact 5 mm pitch and accepts rigid stranded conductors from 0.2–4 mm² and flexible conductors from 0.22–2.5 mm². DIN rail compatibility with G32, TH35-7.5 and TH35-15 rails makes it a versatile choice for new control systems, machine wiring and existing Entrelec SNA installations.
Key Advantages
- Compact 2.5 mm² feed-through terminal block for industrial signal wiring.
- 24 A rated current to IEC specifications.
- 1000 V rated voltage to IEC specifications.
- Reliable screw clamp termination for secure conductor connections.
- Compact 5 mm pitch helps maximise available DIN rail space.
- Blue housing supports clear identification within electrical panel assemblies.
Key Features
- TE Connectivity / Entrelec MA2.5/5.1.N terminal block.
- Feed-through screw clamp configuration.
- 2.5 mm² nominal conductor size.
- 24 A / 1000 V IEC rating.
- 5 mm spacing.
- Two positions, two poles and one circuit.
- Blue polyamide 6.6 housing.
- IP20 protection rating.
- UL94 V-0 flammability classification.
- Compatible with G32, TH35-7.5 and TH35-15 DIN rails.
Reliable Signal Connections for Industrial Panels
Feed-through terminal blocks provide an organised and serviceable method of joining conductors within industrial electrical equipment. The MA2.5/5.1.N uses proven screw clamp technology to maintain a secure electrical connection while allowing convenient conductor installation, testing and maintenance.
Its narrow 5 mm profile is particularly useful in applications where control cabinet space is limited. Combined with its high IEC voltage rating, broad conductor acceptance and compatibility with common DIN rail formats, the MA2.5/5.1.N provides a versatile connection solution for signal, control and automation circuits.
Typical Applications
- Industrial electrical control panels.
- Signal and control wiring circuits.
- PLC and automation cabinets.
- Machine control systems.
- Process control and instrumentation equipment.
- Electrical distribution assemblies.
- OEM machinery and industrial panel building.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | IDC (ADO) | |
| Terminal Type | Feed-through | |
| Conductor Size | 2.5 mm² | |
| Colour | Blue | |
| Manufacturer | TE Connectivity / Entrelec | |
| Series | SNA | |
| Model | MA2.5/5.1.N | |
| Manufacturer part number | 1SNA125485R0400 | |
| Product type | Screw clamp terminal block | |
| Block function | Feed-through | |
| Circuit application | Signal | |
| Colour | Blue | |
| Nominal wire size | 2.5 mm² / 12 AWG | |
| Rigid stranded conductor capacity | 0.2–4 mm² | |
| Flexible conductor capacity | 0.22–2.5 mm² | |
| Number of positions | 2 | |
| Number of poles | 2 | |
| Number of circuits | 1 | |
| Number of levels | 1 | |
| Rated current (IEC) | 24 A | |
| Rated current (UL) | 30 A | |
| Rated current (CSA) | 25 A | |
| Rated voltage (IEC) | 1000 V | |
| Rated voltage (UL / CSA) | 600 V | |
| Impulse withstand voltage (IEC) | 8000 V | |
| Dielectric withstand voltage | 2000 V | |
| Short-time withstand current at 1 s | 300 A | |
| Pitch | 5 mm | |
| Termination method | Screw terminal | |
| Tightening torque | 0.4 Nm | |
| Wire stripping length | 10 mm | |
| Tool size | 3.5 mm | |
| Mounting type | DIN rail | |
| DIN rail compatibility | G32, TH35-7.5 and TH35-15 | |
| Housing material | Polyamide 6.6 | |
| Protection rating | IP20 | |
| Flammability rating | UL94 V-0 | |
| Dimensions (H × W × D) | 44.5 × 5 × 40.5 mm | |
| Product weight | 6.6 g | |
| Installation temperature | -5 to +40 °C | |
| Operating temperature | -55 to +110 °C |
Frequently Asked Questions
What is the TE Connectivity MA2.5/5.1.N 1SNA125485R0400 used for?
The MA2.5/5.1.N is a screw clamp feed-through terminal block designed for signal and control conductor connections in industrial panels, machinery and automation systems.
What conductor size does the MA2.5/5.1.N support?
The terminal has a nominal conductor size of 2.5 mm², accepting rigid stranded conductors from 0.2–4 mm² and flexible conductors from 0.22–2.5 mm².
What are the current and voltage ratings of the MA2.5/5.1.N?
The terminal block is rated at 24 A and 1000 V according to IEC specifications, with a UL rating of 30 A and a CSA rating of 25 A at 600 V.
What is the pitch of the 1SNA125485R0400?
The MA2.5/5.1.N has a compact 5 mm pitch, making it suitable for high-density terminal assemblies.
Which DIN rails are compatible with the MA2.5/5.1.N?
The terminal block is designed for mounting on G32, TH35-7.5 and TH35-15 DIN rails.
Trusted by Panel Builders Worldwide
TE Connectivity Entrelec SNA terminal blocks are widely used by panel builders, machine manufacturers and automation engineers for compact, dependable and maintainable electrical connections in industrial equipment.
