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1sna115505r1600 – 5mm disconnect ma2.5/5snb
TE Connectivity 1SNA115505R1600 MA2.5/5.SNBTA is a 5 mm screw clamp blade disconnect terminal block rated at 10 A and 320 V AC to IEC specifications for industrial signal and control circuits.
£3.48
Why Choose the TE Connectivity 1SNA115505R1600 MA2.5/5.SNBTA Disconnect Terminal Block?
The TE Connectivity 1SNA115505R1600, manufacturer designation MA2.5/5.SNBTA, is a compact screw clamp disconnect terminal block designed for signal circuits in industrial control panels, machinery and electrical distribution systems. As part of the established ENTRELEC SNA terminal block series, it provides secure screw-terminal wiring combined with a convenient blade disconnect function for circuit isolation, testing and maintenance.
This modular terminal block provides a reliable method of connecting and disconnecting conductors without removing wiring from the terminal. Its narrow 5 mm spacing helps maximise wiring density inside control cabinets, while DIN rail mounting supports straightforward integration with standard terminal assemblies. The durable polyamide 6.6 housing is designed for demanding industrial operating environments.
With an IEC voltage rating of 320 V AC and an IEC current rating of 10 A, the 1SNA115505R1600 is suitable for a wide range of signal and control applications. It accommodates conductors up to 2.5 mm² nominal wire size and can be mounted on G32, TH35-15 and TH35-7.5 DIN rails.
Key Advantages
- Compact screw clamp disconnect terminal block for signal circuits.
- 5 mm terminal spacing supports high-density control panel wiring.
- 10 A IEC current rating and 320 V AC IEC voltage rating.
- Integrated blade disconnect mechanism simplifies circuit isolation and testing.
- Compatible with common G32 and TH35 DIN rail formats.
- Robust polyamide 6.6 housing suitable for industrial environments.
Key Features
- TE Connectivity ENTRELEC SNA series.
- MA2.5/5.SNBTA disconnect terminal block.
- 10 A IEC rated current.
- 320 V AC IEC rated voltage.
- 15 A CSA current rating and 600 V CSA voltage rating.
- 4,000 V IEC impulse withstand rating.
- Two-position, two-pole, single-level configuration.
- Screw terminal connection with blade disconnect functionality.
- Compact 5 mm width for efficient panel installation.
- DIN rail mounting for standard industrial terminal assemblies.
Reliable Circuit Isolation for Industrial Control Systems
Disconnect terminal blocks such as the TE Connectivity ENTRELEC MA2.5/5.SNBTA provide both a secure electrical connection and a convenient means of isolating a circuit. The integrated blade disconnect allows technicians to open a signal circuit for testing, commissioning or maintenance without disturbing the permanently connected field wiring.
The ENTRELEC SNA series is designed for organised and dependable industrial wiring. Its screw clamp connection system provides secure conductor retention, while the slim DIN rail format enables multiple terminals to be installed efficiently inside machinery cabinets, automation panels and electrical control enclosures.
Typical Applications
- Industrial control and automation panels.
- Signal circuit isolation and testing.
- PLC and instrumentation wiring.
- Machine control systems.
- Process control and monitoring equipment.
- Electrical distribution and marshalling cabinets.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | IDC (ADO) | |
| Terminal Type | Disconnect / Test | |
| Conductor Size | 2.5 mm² | |
| Colour | Grey | |
| Manufacturer | TE Connectivity | |
| Brand / range | ENTRELEC | |
| Series | SNA | |
| Model | MA2.5/5.SNBTA | |
| Part number | 1SNA115505R1600 | |
| Product type | Screw clamp disconnect terminal block | |
| Block function | Disconnect | |
| Disconnect type | Blade | |
| Circuit application | Signal | |
| Rated current (IEC) | 10 A | |
| Rated voltage (IEC) | 320 V AC | |
| Rated current (CSA) | 15 A | |
| Rated voltage (CSA) | 600 V | |
| Impulse withstand voltage (IEC) | 4,000 V | |
| Short-time withstand current at 1 s | 120 A | |
| Number of positions | 2 | |
| Number of poles | 2 | |
| Number of circuits | 1 | |
| Number of levels | 1 | |
| Nominal wire size | 2.5 mm² | |
| Flexible conductor capacity | 0.5–2.5 mm² | |
| Rigid stranded conductor capacity | 0.5–4 mm² | |
| Wire stripping length | 10 mm | |
| Tightening torque | 0.4 Nm | |
| Tool size | 3.5 mm | |
| Terminal spacing | 5 mm | |
| Mounting type | DIN rail | |
| DIN rail compatibility | G32 / TH35-15 / TH35-7.5 | |
| Housing material | Polyamide 6.6 | |
| Colour | Grey | |
| Dimensions (H × W × D) | 44.5 × 5 × 44.5 mm | |
| Weight | 11 g | |
| Installation temperature range | -5–40 °C | |
| Operating temperature range | -55–110 °C |
Frequently Asked Questions
What is the TE Connectivity 1SNA115505R1600 used for?
The 1SNA115505R1600 is a screw clamp disconnect terminal block used to connect and isolate signal circuits in industrial control panels, machinery and automation systems.
What are the electrical ratings of this terminal block?
The terminal block is rated at 10 A and 320 V AC to IEC specifications, with CSA ratings of 15 A and 600 V.
What wire sizes can the MA2.5/5.SNBTA accommodate?
The terminal has a nominal wire size of 2.5 mm², supporting flexible conductors from 0.5–2.5 mm² and rigid stranded conductors from 0.5–4 mm².
How does the disconnect function operate?
The terminal block uses an integrated blade disconnect that allows the electrical circuit to be opened for testing, isolation or maintenance without removing the connected conductors.
Which DIN rails are compatible with the 1SNA115505R1600?
The terminal block is designed for DIN rail mounting and is compatible with G32, TH35-15 and TH35-7.5 rails.
Trusted Industrial Connectivity from TE Connectivity
TE Connectivity ENTRELEC SNA terminal blocks are widely used in industrial automation, machinery and control systems to provide organised, dependable electrical connections and convenient circuit isolation within demanding panel applications.
