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1sna206538r0200 – m4/6 snbt,23
TE Connectivity M4/6.SNBT 1SNA206538R0200 is a 6 mm wide screw-clamp blade disconnect terminal block rated at 20 A and 400 V AC to IEC standards for industrial signal, testing and control circuits.
£2.49
Why Choose the TE Connectivity M4/6.SNBT 1SNA206538R0200 Disconnect Terminal Block?
The TE Connectivity M4/6.SNBT 1SNA206538R0200, also referenced as M4/6 SNBT,23, is a compact screw-clamp disconnect terminal block designed for signal circuits in industrial control panels and automation systems. Part of the established TE Connectivity ENTRELEC SNA series, it combines secure screw-terminal connections with a blade disconnect function for convenient circuit isolation, testing and maintenance.
The M4/6.SNBT features a manually operated blade disconnect that can be actuated by hand or with a screwdriver, allowing a circuit to be isolated without removing connected conductors. Integrated test facilities support efficient electrical testing and fault-finding, while the terminal's profile is designed to integrate neatly with compatible SNA terminal block assemblies.
With an IEC current rating of 20 A, 400 V AC operating voltage and capacity for conductors up to 4 mm², the 1SNA206538R0200 provides dependable connectivity in a compact 6 mm-wide format. DIN rail compatibility, IP20 protection and a wide -55 to 110 °C operating temperature range make it well suited to demanding industrial installations.
Key Advantages
- Integrated blade disconnect simplifies circuit isolation, testing and maintenance.
- 20 A IEC current rating for industrial signal and control applications.
- 400 V AC operating voltage for compatible electrical circuits.
- Compact 6 mm terminal width helps maximise DIN rail space.
- Accepts conductors from 0.5–4 mm² for flexible panel wiring.
- DIN rail mounting supports straightforward integration into industrial control cabinets.
Key Features
- TE Connectivity ENTRELEC SNA series.
- M4/6.SNBT screw-clamp disconnect terminal block.
- 2 positions, 2 poles and 1 circuit.
- 20 A IEC current rating.
- 400 V IEC voltage rating.
- 4 kV IEC impulse withstand voltage.
- Blade-type disconnect for convenient circuit isolation.
- IP20 protection and UL94 V-0 polyamide 6.6 housing.
Reliable Circuit Isolation and Testing
Disconnect terminal blocks allow technicians to isolate individual circuits without physically removing field wiring. The M4/6.SNBT incorporates a blade disconnect that can be operated by hand or with a screwdriver, making circuit testing, commissioning, troubleshooting and maintenance more efficient while retaining secure screw-clamp conductor connections.
The terminal is designed for industrial DIN rail assemblies where compact dimensions and reliable electrical performance are important. Its 6 mm width, integrated testing capability and compatibility with common G32 and TH35 DIN rails make it particularly useful in densely populated control cabinets and automation panels.
Typical Applications
- Industrial electrical control panels.
- Signal circuit isolation and testing.
- PLC and automation system wiring.
- Instrumentation and measurement circuits.
- Machinery control and production equipment.
- OEM machine building and panel assembly.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | Screw clamp | |
| Terminal Type | Disconnect / Test | |
| Conductor Size | 4 mm² | |
| Colour | Grey | |
| Model | M4/6 | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | SNA | |
| Manufacturer part number | 1SNA206538R0200 | |
| Alternative reference | M4/6 SNBT,23 | |
| Product type | Screw-clamp disconnect terminal block | |
| Block function | Disconnect | |
| Terminal block disconnect type | Blade | |
| Number of circuits | 1 | |
| Number of poles | 2 | |
| Number of positions | 2 | |
| Rated current (IEC) | 20 A | |
| Rated current (UL) | 10 A | |
| Rated current (CSA) | 15 A | |
| Voltage rating (IEC) | 400 V | |
| Voltage rating (CSA) | 600 V | |
| Operating voltage | 400 V AC | |
| Impulse withstand voltage (IEC) | 4000 V | |
| Dielectric withstand voltage | 2500 V | |
| Short-time withstand current at 1 s | 300 A | |
| Wire size | 0.5–4 mm² / up to 10 AWG | |
| Wire stripping length | 9.5 mm | |
| Termination method | Screw terminal | |
| Tightening torque | 0.5 Nm | |
| Product spacing | 6 mm | |
| Dimensions (H × W × D) | 44.5 × 6 × 44.5 mm | |
| Product weight | 11 g | |
| Housing material | Polyamide 6.6 | |
| Colour | Grey | |
| Protection rating | IP20 | |
| UL flammability rating | UL94 V-0 | |
| DIN rail mounting | G32 / TH35-7.5 / TH35-15 | |
| Installation temperature | -5 to 40 °C | |
| Operating temperature | -55 to 110 °C | |
| Circuit application | Signal | |
| EAN | 3472592065380 | |
| Pack quantity | 50 |
Frequently Asked Questions
What is the TE Connectivity M4/6.SNBT 1SNA206538R0200 used for?
The M4/6.SNBT is a screw-clamp disconnect terminal block designed for signal circuits where convenient electrical connection, isolation, testing and maintenance are required.
What is the current rating of the 1SNA206538R0200?
The terminal block has an IEC current rating of 20 A, with UL and CSA ratings of 10 A and 15 A respectively.
What voltage is the M4/6.SNBT rated for?
The 1SNA206538R0200 has an IEC voltage rating and operating voltage of 400 V AC, together with a 4 kV IEC impulse withstand rating.
What wire sizes can the M4/6.SNBT accept?
The terminal accommodates conductors from approximately 0.5–4 mm² and supports wire sizes up to 10 AWG.
How is the 1SNA206538R0200 mounted?
The terminal block is designed for DIN rail mounting and supports G32, TH35-7.5 and TH35-15 rail types, making it suitable for industrial control cabinets and terminal assemblies.
Trusted Industrial Terminal Block Connectivity
TE Connectivity ENTRELEC SNA terminal blocks provide dependable connectivity, isolation and testing capabilities for industrial control systems, helping panel builders and automation engineers create organised, serviceable and reliable electrical installations.
