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1sna115239r2200 – m6/8,st3
TE Connectivity M6/8.ST3 1SNA115239R2200 is a grey 6 mm² screw clamp disconnect terminal block with a sliding link and two 4 mm test sockets, rated at 40 A and 630 V AC IEC for industrial signal circuits.
£4.24
Why Choose the TE Connectivity M6/8.ST3 1SNA115239R2200 Disconnect Terminal Block?
The TE Connectivity M6/8.ST3 1SNA115239R2200 is a grey screw clamp disconnect terminal block with two integrated test sockets designed for signal, measurement and control circuits in industrial electrical installations. As part of the established TE Connectivity ENTRELEC SNA terminal block series, it combines secure conductor termination with convenient circuit isolation and testing functionality.
The M6/8.ST3 incorporates an insulated sliding-link disconnect mechanism that can be operated using a screwdriver, allowing technicians to isolate a circuit without removing connected conductors. Two independent built-in test sockets accept 4 mm test plugs, providing convenient access for measurement, commissioning, diagnostics and maintenance work.
With an IEC rated current of 40 A, rated cross-section of 6 mm² and rated voltage of 630 V AC, the M6/8.ST3 provides dependable performance for industrial signal circuits. It accepts rigid conductors from 0.5–10 mm² and flexible conductors from 0.5–6 mm², while its compact 8 mm spacing helps optimise DIN rail space.
Key Advantages
- Purpose-designed disconnect screw clamp terminal block for signal and control circuits.
- Sliding-link disconnect mechanism enables convenient circuit isolation.
- Two integrated 4 mm test sockets simplify measurement and diagnostic procedures.
- 40 A IEC current rating with a rated cross-section of 6 mm².
- 630 V AC IEC voltage rating for industrial electrical installations.
- Compatible with G32, TH35-7.5 and TH35-15 DIN rails.
Key Features
- TE Connectivity ENTRELEC SNA series.
- M6/8.ST3 disconnect terminal block.
- Sliding-link disconnect type.
- Two independent built-in test sockets for 4 mm test plugs.
- 6 mm² rated cross-section.
- 40 A IEC rated current.
- 630 V AC IEC rated voltage.
- 720 A short-time withstand current for 1 s.
- 8 mm product spacing.
- Grey polyamide 6.6 housing with UL 94V-0 flammability rating.
Reliable Circuit Isolation and Testing for Industrial Systems
Disconnect terminal blocks allow individual circuits to be isolated without removing the connected wiring, simplifying commissioning, fault finding and routine maintenance. The M6/8.ST3 uses an insulated sliding link operated with a screwdriver, providing a convenient method of opening and reconnecting the circuit while retaining secure conductor terminations.
The two independent built-in test sockets provide direct access for standard 4 mm test plugs, making the terminal particularly useful in measurement, instrumentation and control applications. Combined with its screw clamp connections and compact DIN rail format, the M6/8.ST3 provides an efficient solution for circuits that require regular testing or isolation.
Typical Applications
- Industrial electrical control panels.
- PLC and automation cabinets.
- Signal measurement and testing circuits.
- Instrumentation and process control systems.
- Machinery control and monitoring circuits.
- Commissioning and diagnostic terminal assemblies.
- OEM machinery and production equipment.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | Screw clamp | |
| Terminal Type | Disconnect / Test | |
| Conductor Size | 6 mm² | |
| Colour | Grey | |
| Manufacturer | TE Connectivity | |
| Brand / range | ENTRELEC | |
| Series | SNA | |
| Model | M6/8.ST3 | |
| Part number | 1SNA115239R2200 | |
| Product type | Screw clamp disconnect terminal block | |
| Block function | Disconnect | |
| Disconnect type | Sliding link | |
| Circuit application | Signal | |
| Number of circuits | 1 | |
| Number of poles | 2 | |
| Number of positions | 2 | |
| Number of levels | 1 | |
| Gauge type | A5 | |
| Rated cross-section | 6 mm² | |
| Wire size | 8 AWG | |
| Rigid conductor capacity | 0.5–10 mm² | |
| Flexible conductor capacity | 0.5–6 mm² | |
| IEC current rating | 40 A | |
| UL current rating | 30 A | |
| CSA current rating | 30 A | |
| IEC voltage rating | 630 V AC | |
| UL / CSA voltage rating | 150 V | |
| Short-time withstand current | 720 A for 1 s | |
| Test sockets | 2 independent sockets for 4 mm test plugs | |
| Termination method | Screw terminal | |
| Tightening torque | 0.8 Nm | |
| Wire stripping length | 13 mm | |
| Product spacing | 8 mm | |
| Mounting type | DIN rail | |
| DIN rail compatibility | G32, TH35-7.5 and TH35-15 | |
| Housing material | Polyamide 6.6 | |
| Colour | Grey | |
| Flammability rating | UL 94V-0 | |
| Operating temperature | -55 to +110 °C | |
| Installation temperature | -5 to +40 °C | |
| Dimensions (H × W × D) | 77 × 8 × 41 mm | |
| Weight | 30 g |
Frequently Asked Questions
What is the TE Connectivity M6/8.ST3 1SNA115239R2200 used for?
The M6/8.ST3 is a disconnect screw clamp terminal block designed for industrial signal circuits where convenient isolation, testing and measurement access are required.
How does the M6/8.ST3 disconnect a circuit?
The terminal uses an insulated sliding-link disconnect mechanism that can be operated with a screwdriver, allowing the circuit to be opened without removing the connected conductors.
Does the M6/8.ST3 include test sockets?
Yes. The M6/8.ST3 includes two independent built-in test sockets compatible with 4 mm test plugs for convenient circuit measurement and diagnostics.
What are the electrical ratings of the M6/8.ST3?
The terminal has an IEC rated current of 40 A, an IEC rated voltage of 630 V AC and a rated conductor cross-section of 6 mm².
Which DIN rails are compatible with the M6/8.ST3?
The M6/8.ST3 is designed for mounting on G32, TH35-7.5 and TH35-15 DIN rails, making it suitable for a wide range of industrial control and instrumentation panels.
Trusted Connectivity for Industrial Testing and Control
TE Connectivity ENTRELEC SNA disconnect terminal blocks provide reliable conductor termination together with convenient circuit isolation and testing functionality, supporting efficient commissioning, diagnostics and maintenance in industrial automation and control systems.
