1sna290373r1400 – 1.5mm blue spring clamp

Why Choose the TE Connectivity D1.5/4.N.2L 1SNA290373R1400 Spring Terminal Block?

The TE Connectivity D1.5/4.N.2L 1SNA290373R1400 is a compact blue spring-clamp feed-through terminal block designed for reliable conductor termination in industrial control panels, machinery and electrical distribution systems. Part of the established Entrelec spring terminal block range, this 1.5 mm² terminal provides two connections and is particularly suitable for circuits where blue terminal identification is required.

Spring-clamp connection technology provides consistent conductor contact pressure without relying on screw-tightening torque, supporting fast and dependable panel wiring. The compact design combines convenient conductor access with integrated facilities for jumpering, marking and testing, helping simplify assembly, commissioning and maintenance of industrial electrical systems.

With a rated cross-section of 1.5 mm², a rated current of 18 A and an IEC rated voltage of 800 V, the D1.5/4.N.2L provides strong electrical performance within a narrow 4 mm pitch. Its DIN rail format and blue housing make it an effective solution for space-conscious control and distribution cabinets requiring clear circuit identification.

Key Advantages

• Compact 1.5 mm² spring-clamp feed-through terminal block.
• Blue housing provides clear identification within electrical wiring assemblies.
• 18 A rated current for industrial control and distribution circuits.
• 800 V IEC rated voltage provides excellent electrical capability in a compact format.
• Narrow 4 mm pitch supports high-density DIN rail installations.
• Spring-clamp technology provides consistent contact pressure without conventional screw tightening.
• Integrated jumpering, marking and testing provisions support efficient panel construction and maintenance.

Key Features

• TE Connectivity / Entrelec D1.5/4.N.2L spring terminal block.
• Feed-through function with two connections.
• 1.5 mm² rated cross-section.
• 18 A rated current.
• 800 V IEC rated voltage.
• 600 V UL/CSA rated voltage.
• 8,000 V rated impulse withstand voltage.
• 180 A short-time withstand current for 1 s.
• Spring-clamp conductor connection technology.
• IP20 protection at the main terminals.
• Blue housing for easy circuit identification.
• Standard TH35 DIN rail mounting.

Reliable Spring-Clamp Connections for Industrial Wiring

Spring-clamp terminal technology maintains conductor contact through resilient spring pressure rather than conventional screw tightening. This provides consistent electrical contact while reducing installation steps, making spring terminals particularly useful in control panels and automation equipment where reliable, repeatable conductor termination is required.

The D1.5/4.N.2L combines this connection method with a slim 4 mm profile and two-connection feed-through arrangement. Its blue housing provides clear visual identification, while integrated jumper, marker and testing provisions support organised circuit distribution, commissioning and troubleshooting.

Typical Applications

• Industrial control and automation panels.
• Neutral and identified conductor circuits.
• Machine building and OEM electrical systems.
• Feed-through conductor connections.
• Electrical distribution cabinets and switchgear.
• PLC and instrumentation panels.
• High-density DIN rail wiring assemblies.