Why Choose the TE Connectivity ZK2.5-4P-BL 1SNK705022R0000 PI-Spring Terminal Block?
The TE Connectivity ZK2.5-4P-BL 1SNK705022R0000 is a compact four-position feed-through PI-Spring terminal block designed for efficient power and signal connections in industrial control panels, machinery and automation systems. As part of the TE Connectivity ENTRELEC SNK series, it combines high wiring density with spring-terminal technology for fast, secure and dependable conductor termination.
The four-position configuration provides four connection points on a single circuit, making the ZK2.5-4P-BL particularly useful for distributing or branching conductors while minimising the amount of DIN rail space required. Its blue polyamide housing provides clear circuit identification, while the slim 5.2 mm spacing supports compact terminal assemblies in densely populated electrical cabinets.
With an IEC rated current of 24 A and voltage rating of 1000 V, the ZK2.5-4P-BL delivers dependable electrical performance for industrial applications. It accepts flexible conductors from 0.22–2.5 mm² and rigid stranded conductors from 0.2–4 mm², while its DIN rail mounting format enables straightforward integration into control and distribution equipment.
Key Advantages
- Compact four-position feed-through terminal block for conductor distribution and branching.
- PI-Spring connection technology enables fast and reliable conductor termination.
- 24 A IEC rated current suitable for industrial power and signal circuits.
- 1000 V IEC rated voltage for demanding industrial electrical applications.
- Only 5.2 mm wide, helping maximise terminal density on the DIN rail.
- Blue housing provides convenient circuit identification within control panels and electrical cabinets.
Key Features
- TE Connectivity ENTRELEC SNK series.
- Four-position feed-through configuration.
- PI-Spring / spring terminal connection technology.
- 24 A IEC rated current.
- 1000 V IEC rated voltage.
- 20 A UL / CSA rated current.
- 600 V UL / CSA voltage rating.
- 300 A short-time withstand current at 1 s.
- 8000 V IEC impulse withstand voltage.
- Compatible with TH35-7.5 and TH35-15 DIN rails.
- Blue polyamide housing with UL 94V-0 flammability rating.
Fast and Reliable PI-Spring Connections for Industrial Control
PI-Spring terminal technology provides an efficient method of connecting conductors while maintaining consistent spring pressure on the electrical connection. This helps reduce wiring time and provides dependable conductor retention for industrial control, automation and power distribution applications.
The four-position ZK2.5-4P-BL allows multiple conductors to be connected to the same circuit within one compact terminal block. This configuration is particularly useful for branching and distribution circuits where panel space is limited, combining four connection positions with the slim dimensions and modular DIN rail installation of the ENTRELEC SNK range.
Typical Applications
- Industrial control panels and electrical cabinets.
- Signal and power distribution circuits.
- PLC and industrial automation wiring.
- Conductor branching and distribution circuits.
- Industrial machinery and production equipment.
- Building automation and control systems.
- OEM equipment and industrial panel building.
