Why Choose the TE Connectivity 1SNA199186R1300 D2.5/8.SNNT.ADO2 Disconnect Terminal Block?
The TE Connectivity 1SNA199186R1300, manufacturer type D2.5/8.SNNT.ADO2 and also listed as D2.5/8 SNT ADO.2, is a grey and blue disconnect IDC terminal block with test access from the Entrelec ADO System range. It is designed for industrial control applications where individual circuits need to be connected, isolated and tested within a compact DIN rail terminal assembly.
The terminal uses ADO connection technology on both sides and incorporates a disconnect function aligned with compatible fuse-holder terminal blocks. Its 8 mm width, 10 A rated current and 8 kV impulse withstand voltage make it a practical solution for signal and control wiring where space efficiency and accessible circuit isolation are important.
Designed for demanding control environments, the D2.5/8.SNNT.ADO2 can accommodate up to two wires per ADO connection and provides dedicated test access for commissioning and diagnostics. The grey and blue terminal is suitable for TH35-7.5 and TH35-15 DIN rails, provides IP20 protection at the main terminals and operates across a broad temperature range from -55 to +110 °C.
Key Advantages
- Disconnect terminal function allows individual circuits to be isolated for testing and maintenance.
- Integrated test access supports convenient measurement and commissioning.
- ADO connections on both sides provide fast, consistent conductor termination.
- Supports up to two conductors per ADO connection.
- Compact 8 mm width helps optimise DIN rail space.
- 10 A rated current for industrial control and signal circuits.
- 8 kV rated impulse withstand voltage.
- Designed for control applications exposed to demanding conditions such as vibration, shock and corrosion.
Key Features
- TE Connectivity / Entrelec D2.5/8.SNNT.ADO2.
- Also referenced as D2.5/8 SNT ADO.2.
- Disconnect IDC terminal block.
- ADO / ADO connection configuration.
- Dedicated test socket access.
- 10 A rated current.
- 600 V maximum operating voltage under UL/CSA.
- 8 kV rated impulse withstand voltage.
- 8 mm terminal width.
- Grey and blue housing.
- IP20 protection at the main terminals.
- Compatible with standard 35 mm DIN rails.
ADO Disconnect Connectivity with Convenient Test Access
The D2.5/8.SNNT.ADO2 combines ADO conductor termination with a disconnect function, allowing an individual circuit path to be opened without removing its field wiring. This configuration is particularly useful during commissioning, troubleshooting and scheduled maintenance because technicians can isolate the required circuit while leaving the surrounding terminal assembly undisturbed.
Test access further supports electrical measurement and diagnostic work, while the ADO System permits up to two conductors at each connection. The terminal's profile is aligned with compatible fuse-holder terminals, helping panel builders create organised mixed disconnect and fused terminal rows for industrial control applications.
Typical Applications
- Industrial electrical control panels.
- PLC and automation cabinets.
- Signal and instrumentation circuits.
- Testing and commissioning circuits.
- Machine control systems.
- Process control installations.
- Terminal rows incorporating fuse-holder and disconnect functions.
- Industrial applications subject to vibration and mechanical shock.
