Why Choose the TE Connectivity ZDK4-22 1SNK806010R0000 Pluggable PI-Spring Terminal Block?
The TE Connectivity ZDK4-22 1SNK806010R0000 is a compact 4 mm² feed-through and pluggable PI-Spring terminal block designed for efficient power and signal connections in industrial control panels, machinery and automation systems. Part of the TE Connectivity ENTRELEC SNK series, it combines push-in spring connection technology with a pluggable format that simplifies installation, connection and equipment servicing.
The ZDK4-22 features four connection positions on a single circuit within a single-level design. Its 6 mm spacing supports compact DIN rail assemblies, while the grey polyamide housing integrates neatly with other ENTRELEC SNK components. The pluggable configuration is particularly useful in modular equipment where wiring sections may need to be connected or disconnected efficiently.
With an IEC rated current of 30 A and rated voltage of 1000 V, the ZDK4-22 provides dependable electrical performance for industrial applications. It accepts flexible conductors from 0.5–4 mm² and rigid stranded conductors from 0.5–6 mm², providing versatile conductor compatibility for control, automation and distribution wiring.
Key Advantages
- Feed-through and pluggable design supports modular industrial wiring and convenient equipment servicing.
- PI-Spring connection technology enables efficient and secure conductor termination.
- 30 A IEC rated current suitable for a wide range of industrial power and signal circuits.
- 1000 V IEC rated voltage provides robust performance for demanding electrical applications.
- Accepts flexible conductors up to 4 mm² and rigid stranded conductors up to 6 mm².
- Compact 6 mm spacing helps maximise terminal density within electrical cabinets.
Key Features
- TE Connectivity ENTRELEC SNK series.
- ZDK4-22 feed-through and pluggable terminal block.
- PI-Spring connection technology.
- Four-position, single-circuit configuration.
- Single-level construction.
- 30 A IEC / UL / CSA rated current.
- 1000 V IEC rated voltage.
- 600 V UL / CSA maximum main-circuit operating voltage.
- 480 A short-time withstand current at 1 s.
- 8000 V IEC impulse withstand voltage.
- 2200 V maximum dielectric withstand voltage.
- Compatible with TH35-7.5 and TH35-15 DIN rails.
- Grey polyamide housing with UL 94V-0 flammability rating.
- IP20 protection rating.
Flexible Pluggable PI-Spring Connections for Modular Industrial Wiring
The feed-through and pluggable design of the TE Connectivity ZDK4-22 combines permanent DIN rail installation with a connection format suited to modular equipment. This makes it particularly useful where electrical assemblies require convenient connection interfaces for installation, commissioning, maintenance or equipment replacement.
PI-Spring technology maintains consistent spring pressure on connected conductors while simplifying termination. Combined with four connection positions, 6 mm spacing and electrical ratings of up to 30 A and 1000 V IEC, the ZDK4-22 provides a compact solution for power and signal distribution in modern industrial control systems.
Typical Applications
- Industrial control panels and electrical cabinets.
- Pluggable power and signal connections.
- PLC and industrial automation systems.
- Modular machinery and production equipment.
- Power and signal distribution assemblies.
- Control system interface connections.
- Building automation and control equipment.
- OEM equipment and industrial panel building.
