Bender RS4 signal power monitoring is trusted across the UK rail network for continuously monitoring insulation condition and supporting rapid earth-fault location on railway signal power systems.
Portable rail signalling power monitoring offers an excellent solution for achieving Tier 1 visibility at a specific site, whether you’re carrying out maintenance or investigating intermittent faults. It is a flexible option that lets you deploy monitoring precisely when and where you need it, without the commitment of a permanent installation.

Bender RS4 signal power monitoring is trusted across the UK rail network for continuously monitoring insulation condition and supporting rapid earth-fault location on railway signal power systems.
Portable rail signalling power monitoring offers an excellent solution for achieving Tier 1 visibility at a specific site, whether you’re carrying out maintenance or investigating intermittent faults. It is a flexible option that lets you deploy monitoring precisely when and where you need it, without the commitment of a permanent installation.
This portable signal power monitoring system is suitable for rail signalling and trackside locations on routes requiring maximum visibility.
| Bender Part No |
|---|
| RS4-T1-FSP-B |
| Name | Category | Size | Language | Timestamp | D-/B-Number |
|---|---|---|---|---|---|
| Portable RS4 Tier 1 | Flyer | 324.4 KB | EN | 2026/05/2222.05.2026 |
