Why Choose the ABB HK40002-L Auxiliary Switch?
The ABB HK40002-L is a compact auxiliary switch with two normally closed (2NC) contacts for the ABB SMISSLINE TP plug-in system. Identified by ABB order code 2CCF201114R0001, it is designed for left-side mounting on compatible protective devices and provides auxiliary contacts for signalling, monitoring and control circuits.
The HK40002-L is suitable for left-side mounting on ABB S400 miniature circuit breakers and FS401/FS403 RCBOs. It is supplied with a contacting piece for integration with the SMISSLINE system, while its two normally closed contacts allow the operating state of the associated protective device to be incorporated into external control or indication circuits.
With a width of only 9 mm, equivalent to 0.5 module, the HK40002-L adds auxiliary functionality while conserving distribution-board space. It is rated at 6 A, operates at 230–400 V AC and provides an AC-15 rated operational current of 2 A at 230 V.
Key Advantages
- Provides two normally closed auxiliary contacts for signalling and control circuits.
- Purpose-designed for left-side mounting on compatible SMISSLINE devices.
- Compact 9 mm / 0.5-module width conserves panel space.
- 6 A rated current for auxiliary circuit applications.
- Rated for operation at 230–400 V AC.
- 2 A AC-15 operational current at 230 V for control applications.
- Plug-in mounting supports coordinated integration with ABB SMISSLINE TP assemblies.
Key Features
- ABB SMISSLINE TP auxiliary switch.
- 2NC contact configuration.
- Left-side mounting arrangement.
- Suitable for compatible S400 MCB and FS401/FS403 RCBO devices.
- 6 A rated current.
- 230–400 V AC rated operational voltage.
- 2 A at 230 V AC-15 rated operational current.
- Screw connection for auxiliary circuit conductors.
- Plug-in mounting method.
- Complies with IEC/EN 60947-5-1.
Reliable Auxiliary Status Monitoring for SMISSLINE TP
Auxiliary switches provide additional electrical contacts that operate mechanically with the associated protective device. The ABB HK40002-L provides two normally closed contacts, enabling operating-position information to be incorporated into remote indication, interlocking, automation and control circuits without changing the primary protective function of the associated device.
Its left-side mounting, plug-in construction and compact 9 mm width make the HK40002-L well suited to modular SMISSLINE TP distribution boards where panel space and coordinated accessory integration are important. The 2NC arrangement is particularly useful where a closed auxiliary circuit is required in the normal contact state.
Typical Applications
- ABB SMISSLINE TP plug-in distribution systems.
- Auxiliary status indication for compatible S400 miniature circuit breakers.
- Auxiliary switching with compatible FS401 and FS403 RCBOs.
- Electrical control and interlocking circuits.
- Building-management and automation systems.
- Industrial and commercial distribution boards requiring 2NC auxiliary contacts.