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1SNK516151R0000 – ZS50-PE
TE Connectivity ZS50-PE 1SNK516151R0000 is a green and yellow screw clamp protective earth DIN rail terminal block supporting conductors up to 50 mm² for industrial grounding applications.
£6.71
Why Choose the TE Connectivity ZS50-PE 1SNK516151R0000 Earth Terminal?
The TE Connectivity ZS50-PE 1SNK516151R0000 is a robust 50 mm² screw clamp earth terminal block designed to provide reliable protective earth connections in industrial control panels, switchgear, machinery and electrical distribution systems. As part of the TE Connectivity ENTRELEC SNK series, it combines secure screw-clamp termination with dependable DIN rail mounting for industrial power and signal applications.
Designed specifically for grounding and protective earth circuits, the ZS50-PE features a distinctive green and yellow polyamide housing for clear identification within terminal assemblies. Its screw terminal connection provides strong conductor retention, while the terminal is designed to establish an effective protective earth connection through the mounting rail.
The ZS50-PE accepts rigid stranded, flexible and ferruled conductors from 1–50 mm² and features a 16 mm terminal spacing. With a short-time withstand current rating of 6000 A for 1 s and an IEC impulse withstand voltage of 8000 V, it is well suited to high-capacity earthing connections in demanding industrial electrical installations.
Key Advantages
- Purpose-designed 50 mm² protective earth terminal for industrial electrical systems.
- Screw clamp connection provides secure and reliable conductor termination.
- Accepts conductors from 1–50 mm² for high-capacity grounding applications.
- 6000 A short-time withstand current at 1 s for demanding electrical installations.
- Green and yellow housing provides clear protective earth identification.
- DIN rail mounting simplifies installation inside control panels, switchgear and distribution cabinets.
Key Features
- TE Connectivity ENTRELEC SNK series.
- 50 mm² maximum main circuit conductor capacity.
- Protective earth / ground terminal configuration.
- Two positions and one circuit.
- Single-level terminal design.
- 16 mm terminal spacing.
- 6000 A short-time withstand current at 1 s.
- 8000 V IEC impulse withstand voltage.
- Compatible with TH35-7.5 and TH35-15 DIN rails.
- Durable green and yellow polyamide housing with UL 94V-0 flammability rating.
Reliable Protective Earthing for Industrial Electrical Systems
Protective earth terminal blocks such as the TE Connectivity ZS50-PE provide a dedicated termination point for protective conductors within industrial electrical installations. The screw clamp design provides strong mechanical retention and dependable conductor contact, helping create robust earthing connections in machinery, control systems and power distribution equipment.
The ENTRELEC SNK series is designed for efficient DIN rail panel building and organised industrial wiring. Its modular construction allows protective earth terminals to be installed alongside other terminal functions, helping engineers create maintainable and clearly identified terminal assemblies.
Typical Applications
- Industrial control panels and electrical cabinets.
- Protective earth and grounding circuits.
- Power distribution and switchgear assemblies.
- Industrial machinery and factory automation systems.
- Motor control centres and electrical distribution equipment.
- OEM equipment and industrial panel building.
Technical Specifications
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| Number of Connection Points | 1 | |
|---|---|---|
| Connection | Spring clamp | |
| Terminal Type | Earth (PE) | |
| Conductor Size | 50 mm² | |
| Number of Levels | 1 | |
| Product Series | TE SNK | |
| Colour | Green/Yellow | |
| Manufacturer | TE Connectivity | |
| Brand / range | ENTRELEC SNK | |
| Model | ZS50-PE | |
| Manufacturer part number | 1SNK516151R0000 | |
| Product type | Screw clamp earth terminal block | |
| Terminal function | Protective earth / ground | |
| Connection type | Screw connection | |
| Number of positions | 2 | |
| Number of circuits | 1 | |
| Number of levels | 1 | |
| Short-time withstand current at 1 s | 6000 A | |
| Dielectric withstand voltage | 2200 V | |
| Impulse withstand voltage | 8000 V | |
| Conductor capacity, flexible | 1–50 mm² | |
| Conductor capacity, rigid stranded | 1–50 mm² | |
| Insulated ferrule capacity | 1–50 mm² | |
| Non-insulated ferrule capacity | 1–50 mm² | |
| Two flexible conductors per clamp | 1–25 mm² | |
| Twin ferrule capacity | 1–16 mm² | |
| Conductor range | 18–0 AWG | |
| Wire stripping length | 17 mm | |
| Terminal spacing | 16 mm | |
| Housing material | Polyamide | |
| Colour | Green / yellow | |
| Flammability rating | UL 94V-0 | |
| Mounting type | DIN rail | |
| DIN rail compatibility | TH35-7.5 / TH35-15 | |
| Product height | 63.6 mm | |
| Product depth | 61.2 mm | |
| Product width / spacing | 16 mm | |
| Weight | approx. 83 g | |
| Operating temperature | -55–110 °C | |
| Installation temperature | -5–40 °C |
Frequently Asked Questions
What is the TE Connectivity ZS50-PE 1SNK516151R0000 used for?
This terminal block is designed for protective earth and grounding connections in industrial control panels, machinery, switchgear and electrical distribution systems.
What conductor size does the ZS50-PE support?
The ZS50-PE supports flexible, rigid stranded and ferruled conductors from approximately 1–50 mm², depending on the conductor and termination arrangement.
What is the short-time withstand current of the ZS50-PE?
The terminal has a short-time withstand current rating of 6000 A for 1 s.
What colour is the TE Connectivity ZS50-PE?
The terminal has a green and yellow polyamide housing for clear identification as a protective earth or grounding terminal.
Where is the ZS50-PE typically installed?
The ZS50-PE is designed for installation on TH35-7.5 or TH35-15 DIN rails inside industrial control panels, electrical cabinets and distribution equipment.
Trusted Industrial Terminal Technology
TE Connectivity ENTRELEC SNK protective earth terminals are designed to provide dependable conductor termination and reliable grounding connections for safe, organised and robust industrial electrical installations.
