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ZS4 – 4mm SCREW TERMINAL GREY
TE Connectivity 1SNK505010R0000 ENTRELEC SNK Series ZS4 grey 4 mm² feed-through terminal block with screw clamp connection, 5.2 mm pitch, 32 A IEC current rating and 1000 V IEC voltage rating for DIN rail power and signal wiring.
£0.5303
Why Choose the TE Connectivity ENTRELEC ZS4 4 mm² Screw Clamp Terminal Block?
The TE Connectivity ENTRELEC 1SNK505010R0000 is a ZS4 feed-through screw clamp terminal block designed for reliable power and signal connections in industrial electrical installations. Rated for conductors up to 4 mm², this grey terminal combines a compact 5.2 mm pitch with proven screw-clamp connection technology for space-efficient DIN rail assemblies.
The ZS4 provides a 32 A IEC current rating and a 1000 V IEC voltage rating, making it suitable for a broad range of control, distribution and machine-building applications. Its single-level feed-through configuration provides two connection positions for straightforward conductor-to-conductor continuity, while the screw clamp accepts both flexible and rigid conductors.
Manufactured with a durable grey polyamide housing, the 1SNK505010R0000 measures 5.2 mm wide × 53 mm high × 47.3 mm deep and weighs approximately 8.8 g. DIN rail compatibility, an IP20 protection rating and UL 94V-0 flammability classification make the ZS4 a practical choice for professional industrial panel construction.
Key Advantages
- Connects conductors up to 4 mm² within a compact 5.2 mm pitch.
- Rated at 32 A and 1000 V to IEC requirements for demanding power and signal circuits.
- Proven screw clamp connection provides secure and serviceable conductor termination.
- Feed-through configuration provides straightforward conductor-to-conductor connection.
- Compatible with standard TH35-7.5 and TH35-15 DIN rails.
- Wide -55 to 110 °C operating temperature range supports demanding industrial environments.
- Compact terminal width helps maximise available DIN rail space inside control panels.
Key Features
- TE Connectivity ENTRELEC SNK Series ZS4.
- 4 mm² rated cross-section.
- Feed-through terminal block.
- Screw clamp connection technology.
- 2 positions and 1 circuit.
- Single-level terminal design.
- 5.2 mm pitch for space-efficient installation.
- Grey polyamide housing.
- Suitable for power and signal circuits.
- DIN rail mounting.
- IP20 protection rating.
- UL 94V-0 flammability classification.
Reliable Screw Clamp Connections for Industrial Control Panels
Reliable terminal connections are essential for maintaining electrical continuity and simplifying installation, testing and maintenance. The ZS4 combines established screw clamp technology with conductor capacities up to 4 mm², providing a secure and accessible termination point for power and signal wiring in industrial equipment.
With a width of only 5.2 mm, the ZS4 helps panel builders achieve high terminal density without sacrificing conductor capacity. Its 1000 V IEC voltage rating, 32 A IEC current rating, DIN rail mounting and extensive SNK accessory ecosystem make the 1SNK505010R0000 suitable for both new control panel construction and established terminal block systems.
Typical Applications
- Industrial control panels and control cabinets.
- Power and signal distribution circuits.
- PLC and automation systems.
- Electrical switchboards and distribution assemblies.
- Machine building and OEM equipment.
- DIN rail terminal strips.
- Industrial instrumentation and control wiring.
- Solar and renewable-energy electrical assemblies.
Technical Specifications
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| Number of Levels | 1 | |
|---|---|---|
| Product Series | TE SNK | |
| Connection | Spring clamp | |
| Terminal Type | Feed-through | |
| Conductor Size | 4 mm² | |
| Colour | Grey | |
| Manufacturer | TE Connectivity / ENTRELEC | |
| Series | SNK | |
| Model | ZS4 | |
| Manufacturer part number | 1SNK505010R0000 | |
| Product type | Screw clamp terminal block | |
| Terminal function | Feed-through | |
| Connection method | Screw terminal / screw clamp | |
| Rated cross-section | 4 mm² | |
| Number of positions | 2 | |
| Number of circuits | 1 | |
| Number of levels | 1 | |
| Product spacing | 5.2 mm | |
| IEC rated current | 32 A | |
| IEC rated voltage | 1000 V | |
| UL rated current | 20 A | |
| CSA rated current | 20 A | |
| UL/CSA operating voltage | 600 V | |
| IEC impulse withstand voltage | 8000 V | |
| Short-time withstand current at 1 s | 480 A | |
| Flexible conductor capacity, 1 conductor | 0.22–4 mm² | |
| Rigid stranded conductor capacity, 1 conductor | 0.2–4 mm² | |
| Flexible conductor capacity, 2 conductors | 0.2–1.5 mm² | |
| Rigid stranded conductor capacity, 2 conductors | 0.2–1.5 mm² | |
| Insulated ferrule capacity | 0.22–2.5 mm² | |
| Non-insulated ferrule capacity | 0.22–4 mm² | |
| Twin ferrule capacity | 0.22–1.5 mm² | |
| Wire stripping length | 10.5 mm | |
| Tool size | 3.5 mm | |
| DIN rail mounting | TH35-7.5 / TH35-15 | |
| Circuit application | Power & signal | |
| Colour | Grey | |
| Housing material | Polyamide | |
| IP rating | IP20 | |
| UL flammability rating | UL 94V-0 | |
| Operating temperature | -55 to 110 °C | |
| Installation temperature | -5 to 40 °C | |
| Width | 5.2 mm | |
| Height | 53 mm | |
| Length | 47.3 mm | |
| Depth | 47.3 mm | |
| Weight | 8.8 g | |
| EAN | 3472595050109 |
Frequently Asked Questions
What is the TE Connectivity ZS4 1SNK505010R0000?
The 1SNK505010R0000 is a grey ENTRELEC SNK Series ZS4 feed-through terminal block using screw clamp connection technology for power and signal wiring.
What conductor size can the ZS4 1SNK505010R0000 accept?
The ZS4 has a 4 mm² rated cross-section. TE Connectivity specifies capacities including 0.22–4 mm² for one flexible conductor and 0.2–4 mm² for one rigid stranded conductor per screw clamp.
What are the current and voltage ratings of the ZS4?
The 1SNK505010R0000 is rated at 32 A and 1000 V under IEC specifications. UL and CSA ratings include 20 A and 600 V.
How is the TE Connectivity ZS4 mounted?
The ZS4 is designed for DIN rail mounting and is compatible with TH35-7.5 and TH35-15 mounting rails.
What is the terminal spacing of the ZS4 1SNK505010R0000?
The ZS4 has a compact 5.2 mm pitch, allowing conductors up to 4 mm² to be connected while helping maximise available DIN rail space.
Trusted for Professional Industrial Connections
TE Connectivity ENTRELEC SNK Series terminal blocks provide panel builders, automation engineers and electrical professionals with compact, dependable and serviceable connection solutions for industrial power and signal wiring.
