Why Choose the TE Connectivity ZK4-3P-OR PI-Spring Clamp Terminal Block?
The TE Connectivity ZK4-3P-OR 1SNK706031R0000 is a reliable PI-Spring clamp feed-through terminal block designed for secure and efficient electrical connections in industrial control panels and automation systems. Part of the ENTRELEC SNK series, this orange DIN rail terminal block provides fast tool-assisted wiring with a vibration-resistant spring connection technology.
The ZK4-3P-OR offers a compact modular design with three positions and a 6 mm spacing format, making it suitable for organised panel layouts where dependable signal and power distribution is required. Its spring clamp connection system enables quick installation while maintaining consistent electrical performance over the service life of the installation.
With support for conductor sizes from 0.5 mm² to 6 mm² depending on conductor type and a robust polyamide housing, the TE Connectivity ZK4-3P-OR is ideal for DIN rail mounted electrical assemblies requiring durable and space-efficient terminal solutions.
Key Advantages
- PI-Spring clamp technology provides secure, maintenance-free electrical connections.
- 3-position feed-through terminal block for flexible industrial wiring applications.
- 6 mm pitch design enables efficient use of control cabinet space.
- Orange housing colour provides easy identification within terminal assemblies.
- DIN rail mounting enables simple integration into electrical control panels.
- High mechanical stability for industrial automation environments.
Key Features
- TE Connectivity ENTRELEC SNK series PI-Spring terminal block.
- Model: ZK4-3P-OR.
- 3 positions with feed-through block function.
- 6 mm terminal spacing.
- Orange polyamide housing.
- DIN rail mounting compatible with TH35-15 and TH35-7.5 rails.
- Tool-assisted spring clamp connection system.
- UL 94V-0 flame-rated housing material.
- IP20 protection rating for protected panel installations.
Reliable Industrial Terminal Connectivity
Spring clamp terminal blocks provide dependable electrical connections by maintaining constant contact pressure without requiring regular screw retightening. This makes them particularly suitable for applications exposed to vibration, temperature changes and demanding industrial conditions.
The TE Connectivity ENTRELEC SNK range combines modular design, reliable connection technology and DIN rail compatibility to simplify electrical panel assembly while improving wiring efficiency and long-term system reliability.
Typical Applications
- Industrial control panels and switchgear assemblies.
- Automation and machine building equipment.
- PLC control cabinets and electrical distribution systems.
- Manufacturing and process control installations.
- Industrial instrumentation and monitoring systems.
- DIN rail mounted electrical enclosures.