1sna115924r0100 – m10/10.st1 test circuit

Why Choose the TE Connectivity M10/10.ST1 1SNA115924R0100 Test and Disconnect Terminal Block?

The TE Connectivity 1SNA115924R0100, manufacturer designation M10/10.ST1, is a robust screw clamp test and disconnect terminal block designed specifically for current circuit testing, measurement and instrumentation applications. As part of the established TE Connectivity ENTRELEC SNA terminal block series, it enables engineers to perform testing and connect measuring instruments without disturbing the permanently connected field conductors.

The M10/10.ST1 is particularly suited to current transformer (CT) circuits, where safe and convenient access for measurement and testing is essential. Its disconnectable design allows technicians to isolate and test circuits while maintaining organised wiring within the panel, making it a practical solution for metering, protection and industrial electrical systems.

With a 10 mm² IEC nominal cross-section, a 63 V IEC rated voltage and a compact 10 mm terminal width, the 1SNA115924R0100 accommodates solid conductors from 0.5–16 mm² and stranded conductors from 0.5–10 mm². Compatibility with both TS35 and TS32 DIN rails provides flexible installation in new and existing industrial control and measurement panels.

Key Advantages

• Purpose-designed test and disconnect terminal block for current circuits.
• Ideal for current transformer (CT) testing and measurement applications.
• 10 mm² IEC nominal cross-section for robust current circuit wiring.
• Allows testing and connection of measuring instruments without disturbing permanently connected conductors.
• 10 mm terminal width supports organised DIN rail installations.
• Compatible with both TS35 and TS32 DIN rails.

Key Features

• TE Connectivity ENTRELEC SNA series.
• M10/10.ST1 test and disconnect terminal block.
• Designed primarily for current transformer circuits.
• 10 mm² IEC nominal cross-section.
• 63 V IEC rated voltage.
• 150 A UL and CSA rated current.
• 40 V UL and CSA rated voltage.
• Solid conductor capacity from 0.5–16 mm².
• Stranded conductor capacity from 0.5–10 mm².
• Screw clamp termination for secure conductor retention.
• Single-level design with a compact 10 mm width.
• Compatible with TS35 and TS32 DIN rail systems.

Reliable Testing and Measurement for Current Circuits

Test and disconnect terminal blocks such as the TE Connectivity M10/10.ST1 provide convenient access to electrical current circuits for measurement, commissioning and maintenance. The terminal allows test equipment and measuring instruments to be connected without disturbing the field wiring, helping technicians perform diagnostic work while maintaining an organised and dependable panel installation.

The M10/10.ST1 is especially useful in current transformer circuits used for electrical metering, monitoring and protection. Its disconnectable construction, screw clamp connections and compatibility with both TS35 and TS32 DIN rails make it suitable for switchgear, distribution panels and industrial measurement systems where accessible current circuit testing is required.

Typical Applications

• Current transformer (CT) circuits.
• Electrical current measurement and testing.
• Metering and monitoring panels.
• Protection relay circuits.
• Industrial switchgear and distribution systems.
• Control panel commissioning and diagnostics.