1sna399752r1100 – d2,5/8,s,ado,nf

Why Choose the TE Connectivity D2,5/8.S.ADO.NF 1SNA399752R1100 Disconnect Terminal Block?

The TE Connectivity D2,5/8.S.ADO.NF 1SNA399752R1100 is a specialised ADO System disconnect terminal block with plug, designed for reliable circuit isolation and testing in demanding industrial and railway electrical installations. Part of the established Entrelec ADO terminal block range, it combines rapid insulation-displacement conductor termination with a convenient disconnect component holder plug.

Designed for rolling-stock applications exposed to vibration and shock, the D2,5/8.S.ADO.NF uses TE Connectivity's ADO insulation-displacement connection technology and supports up to two conductors per connection. The terminal accepts flexible conductors without ferrules from 1–2.5 mm² according to EN 50306, providing a robust connection solution for railway control and signalling circuits.

The beige terminal has an 8 mm spacing and incorporates two 2 mm test sockets to simplify measurement and diagnostic work. With an IEC rated current of 15 A, rated voltage of 500 V and impulse withstand voltage of 6 kV, it provides dependable electrical performance while retaining a compact DIN-rail footprint.

Key Advantages

• Disconnect terminal block with plug for convenient circuit isolation.
• ADO System insulation-displacement connections enable rapid and reliable conductor termination.
• Designed for rolling-stock and railway applications exposed to vibration and shock.
• Supports up to two wires per connection.
• Integrated two 2 mm test sockets facilitate electrical measurement and diagnostics.
• 15 A IEC rated current and 500 V IEC rated voltage.
• Compact 8 mm spacing supports efficient DIN-rail installation.

Key Features

• TE Connectivity Entrelec D2,5/8.S.ADO.NF IDC disconnect terminal block.
• Disconnect component holder plug for convenient circuit separation.
• ADO System connection technology.
• 1–2.5 mm² flexible conductor capacity without ferrule according to EN 50306.
• 15 A IEC rated current.
• 500 V IEC rated voltage.
• 6 kV impulse withstand voltage.
• 300 A short-time withstand current for 1 s.
• Two 2 mm diameter test sockets.
• IP20 protection at the main terminals.
• Blue marking identifies the applicable wire size.
• Compatible with TH 35-7.5 and TH 35-15 DIN rails.

Reliable Disconnect and Test Connections for Railway Systems

Disconnect terminal blocks allow individual circuits to be separated without removing the field wiring, simplifying commissioning, testing, troubleshooting and maintenance. The D2,5/8.S.ADO.NF incorporates a disconnect component holder plug together with two 2 mm test sockets, providing convenient access for measurement equipment while maintaining an organised DIN-rail installation.

TE Connectivity's ADO System is particularly suited to applications where reliable conductor retention is required under demanding mechanical conditions. The D2,5/8.S.ADO.NF is designed for rolling-stock environments subject to vibration and shock, while its 15 A, 500 V electrical ratings and 300 A for 1 s short-time withstand capability make it suitable for a broad range of railway control circuits.

Typical Applications

• Rolling-stock electrical systems.
• Railway control and signalling circuits.
• Train control-panel wiring.
• Circuits requiring convenient isolation and testing.
• Industrial automation and instrumentation systems.
• DIN-rail installations exposed to vibration and shock.