1snk522020r0000 – zs70-bl [pk=10] blue terminal block

Why Choose the TE Connectivity ZS70-BL Blue Terminal Block?

The TE Connectivity ZS70-BL is a heavy-duty 70 mm² screw clamp feed-through terminal block designed for secure high-current connections in industrial control panels, machinery and power distribution equipment. Part of the TE Connectivity ENTRELEC SNK series, this blue terminal combines substantial conductor capacity with robust DIN rail mounting for demanding electrical installations.

The ZS70-BL uses proven screw clamp technology to provide durable conductor retention and dependable electrical contact. Its blue polyamide housing supports clear visual circuit identification, while the single-level, two-position configuration provides a straightforward feed-through connection within modular SNK terminal assemblies.

With an IEC current rating of 192 A, an IEC voltage rating of 1000 V and capacity for a single rigid stranded conductor up to 95 mm² / 00 AWG, the ZS70-BL is engineered for substantial industrial loads. Its 22 mm spacing and compatibility with TH35 DIN rails make it suitable for professional high-current panel construction.

Key Advantages

• Heavy-duty feed-through terminal for high-current industrial wiring.
• 192 A IEC current rating supports demanding power circuits.
• 1000 V IEC voltage rating for industrial distribution and control applications.
• Accepts single rigid stranded conductors up to 95 mm² / 00 AWG.
• Secure screw clamp connection technology provides dependable conductor retention.
• 22 mm terminal spacing accommodates large industrial conductors.
• Blue housing enables straightforward visual circuit identification.
• Compatible with standard TH35 DIN rail systems.

Key Features

• TE Connectivity ENTRELEC SNK series.
• Screw clamp feed-through terminal block.
• Single-level, two-position configuration.
• One electrical feed-through circuit.
• 22 mm product spacing.
• 192 A rated current to IEC.
• 1000 V rated voltage to IEC.
• 159 A rated current to UL.
• 8400 A short-time withstand current for 1 s.
• 8000 V IEC impulse withstand voltage.
• 2200 V maximum dielectric withstand voltage.
• Blue polyamide insulating housing.
• UL 94 V-0 flammability rating.
• Suitable for TH35-7.5 and TH35-15 DIN rails.
• Operating temperature range of -55 to +110 °C.

Heavy-Duty Connections for Industrial Power Distribution

High-capacity feed-through terminal blocks provide a secure and organised method of joining large conductors inside industrial electrical equipment. The ZS70-BL combines conductor capacity up to 95 mm² with a 192 A IEC current rating, making it particularly suitable for substantial power circuits where reliable mechanical and electrical connections are essential.

The ENTRELEC SNK platform supports modular DIN rail panel construction and convenient integration with compatible terminal accessories. The ZS70-BL's blue housing also provides clear visual identification, making it useful where specific circuits, conductors or wiring functions need to be distinguished within high-current terminal assemblies.

Typical Applications

• Industrial power distribution panels.
• High-current electrical and control cabinets.
• Machine building and heavy industrial equipment.
• Motor control centres and drive systems.
• Power feeder and distribution circuits.
• Renewable-energy and industrial power systems.
• High-current circuits requiring blue terminal identification.