Standard delivery
£8 ex VAT · free over £200UK parcel delivery is £8 ex VAT, or free on orders over £200 ex VAT.
Heavier items may be charged at a weight-based or pallet rate, shown at checkout.
1sna115495r0400 – m4/6,snbt23
TE Connectivity 1SNA115495R0400 M4/6.SNBT23 is a 6 mm ENTRELEC SNA screw-clamp disconnect terminal block with two built-in test sockets, rated at 20 A and 400 V IEC for industrial signal and control circuits.
£2.62
Why Choose the TE Connectivity M4/6.SNBT23 1SNA115495R0400 Disconnect Terminal Block?
The TE Connectivity M4/6.SNBT23 1SNA115495R0400 is a compact screw-clamp disconnect terminal block with integrated test sockets designed for signal circuits, testing and isolation within industrial electrical control systems. Part of the established ENTRELEC SNA series, it combines dependable screw termination with a blade disconnect mechanism for convenient circuit separation during commissioning, maintenance and troubleshooting.
The M4/6.SNBT23 provides two built-in test sockets, allowing convenient electrical testing without disturbing the connected conductors. Its disconnect blade can be operated by hand or with a screwdriver, providing a straightforward method of isolating a circuit while maintaining organised DIN rail wiring. The terminal block has a compact 6 mm spacing and accommodates conductors up to 4 mm² / 10 AWG.
Rated at 20 A and 400 V to IEC specifications, the 1SNA115495R0400 is suitable for industrial signal and control applications. Its beige and orange polyamide 6.6 housing, DIN rail compatibility and compact single-level construction make it well suited to densely populated control cabinets, instrumentation panels and automation systems.
Key Advantages
- Integrated blade disconnect mechanism simplifies circuit isolation and maintenance.
- Two built-in test sockets support convenient circuit measurement and diagnostics.
- 20 A IEC current rating for dependable industrial control and signal connections.
- 400 V IEC voltage rating suitable for a wide range of control circuits.
- Compact 6 mm terminal spacing helps maximise DIN rail installation density.
- Accepts conductors from 0.5–4 mm² for flexible panel wiring.
Key Features
- TE Connectivity ENTRELEC SNA series modular terminal block.
- M4/6.SNBT23 disconnect terminal block with screw-clamp connections.
- 2 positions, 2 poles and 1 circuit.
- Single-level construction with blade-type disconnect.
- 20 A rated current at 400 V IEC.
- 0.5–4 mm² conductor capacity and up to 10 AWG wire size.
- Compatible with TH35-7.5, TH35-15 and G32 DIN rails.
- Durable polyamide 6.6 housing with UL 94V-0 flammability rating.
Reliable Signal Isolation and Testing
Disconnect terminal blocks provide an efficient way to isolate individual circuits without removing wiring from the terminal. The M4/6.SNBT23 uses an accessible blade disconnect that can be operated manually or with a screwdriver, making routine testing, commissioning and fault diagnosis quicker while helping maintain orderly control-panel wiring.
The two integrated test sockets provide dedicated access points for measurement equipment, helping technicians perform electrical checks without disrupting conductor terminations. Combined with screw-clamp connections and multi-standard DIN rail mounting, this makes the ENTRELEC SNA terminal block a practical choice for industrial automation, instrumentation and signal distribution systems.
Typical Applications
- Industrial control and automation panels.
- Signal circuit isolation and testing.
- PLC and instrumentation wiring.
- Electrical distribution and control cabinets.
- Machine control and OEM equipment.
- Commissioning, maintenance and diagnostic circuits.
Technical Specifications
Tick the specs you need, then view products that match.
| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNA | |
| Connection | Screw clamp | |
| Terminal Type | Disconnect / Test | |
| Conductor Size | 4 mm² | |
| Colour | Beige | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | ENTRELEC SNA | |
| Model | M4/6.SNBT23 | |
| Part number | 1SNA115495R0400 | |
| Product type | Screw-clamp disconnect terminal block | |
| Block function | Disconnect | |
| Number of circuits | 1 | |
| Number of poles | 2 | |
| Number of positions | 2 | |
| Number of levels | 1 | |
| Rated current (IEC) | 20 A | |
| Rated voltage (IEC) | 400 V | |
| Impulse withstand voltage (IEC) | 4000 V | |
| Short-time withstand current, 1 s | 300 A | |
| Current rating (UL) | 10 A | |
| Current rating (CSA) | 15 A | |
| Voltage rating (CSA) | 600 V | |
| Conductor capacity | 0.5–4 mm² | |
| Maximum wire size | 10 AWG / 4 mm² | |
| Termination method | Screw terminal | |
| Disconnect type | Blade | |
| DIN rail mounting | G32, TH35-15 and TH35-7.5 | |
| Product spacing / width | 6 mm | |
| Dimensions (H × W × D) | 44.5 × 6 × 44.5 mm | |
| Wire stripping length | 9.5 mm | |
| Tightening torque | 0.5 Nm | |
| Housing material | Polyamide 6.6 | |
| Colour | Beige / orange | |
| Protection rating | IP20 | |
| UL flammability rating | UL 94V-0 | |
| Operating temperature range | -55 to +110 °C | |
| Installation temperature range | -5 to +40 °C | |
| Product weight | 11 g |
Frequently Asked Questions
What is the TE Connectivity M4/6.SNBT23 1SNA115495R0400 used for?
It is a DIN rail disconnect terminal block designed for connecting, isolating and testing signal circuits in industrial control, automation and instrumentation systems.
What are the electrical ratings of the 1SNA115495R0400?
The terminal block is rated at 20 A and 400 V according to IEC specifications.
What conductor sizes can the M4/6.SNBT23 accept?
It accommodates conductors from 0.5–4 mm², with a maximum specified wire size of 10 AWG.
Does the M4/6.SNBT23 provide test connections?
Yes. The terminal block incorporates two built-in test sockets, allowing convenient electrical testing and diagnostic measurements.
Which DIN rails are compatible with the 1SNA115495R0400?
The terminal block is designed for mounting on G32, TH35-15 and TH35-7.5 DIN rails, providing flexibility for industrial panel installations.
Trusted Industrial Connection Technology
TE Connectivity ENTRELEC SNA terminal blocks provide dependable connection, isolation and testing solutions for industrial control panels, helping panel builders and automation engineers create organised, serviceable and reliable electrical systems.
