Railway Resistor Plates & Component Boards
RSP manufactures a comprehensive range of railway resistor plates and railway component boards for signalling and rail power applications across the UK rail network. Every assembly is factory-built and tested to provide dependable performance, straightforward installation and long service life in demanding railway environments.
Whether you require a replacement resistor plate, a standard signalling component board or a bespoke electrical assembly, our experienced engineering team can deliver a solution designed around your project requirements.
Railway Component Boards for Signalling Applications
Our railway component boards are designed to securely mount electrical components used within railway signalling systems, relay rooms, REBs, location cases and trackside equipment.
Each board is manufactured using high-quality materials and can be supplied fully assembled, reducing installation time and ensuring consistent build quality.
Our component boards are suitable for:
- Railway signalling systems
- Rail power installations
- Relay rooms
- Location cases
- Relocatable Equipment Buildings (REBs)
- Equipment upgrades
- Maintenance and renewals
- New signalling projects
Railway Resistor Plates
RSP manufactures an extensive range of railway resistor plates designed to fit standard BR930 relay slots, making installation simple during both new projects and replacement works.
Our resistor plates are available in stainless steel or Paxolin construction and feature high-quality Weidmüller terminal blocks rated to 400V.
Key benefits include:
- Factory assembled
- Factory tested
- Robust construction
- Easy installation
- Reliable long-term performance
- Standard and bespoke configurations
- Suitable for railway signalling applications
Diode Plate Range
Our diode plates are manufactured for railway signalling applications where dependable electrical performance and consistent quality are essential.
Every diode plate is assembled using proven components and tested before dispatch to ensure reliable operation within demanding railway environments.
Capacitor, Resistor & Diode (HO, JO & HOJ) Plate Range
RSP supplies a complete range of Capacitor, Resistor and Diode (CRD) Plates, including:
HO Plates
JO Plates
HOJ Plates
These assemblies combine multiple electrical components into a single compact unit, reducing installation time while simplifying maintenance and replacement.
Applications include signalling control systems, relay installations and electrical control equipment throughout the rail network.
Dummy Load Plate Range
Our dummy load plates are designed for railway signalling applications requiring controlled electrical loading during testing, commissioning and operational use.
Manufactured using quality components, dummy load plates provide reliable performance and can be supplied in a variety of configurations to meet customer specifications.
Bespoke Railway Component Boards
Many signalling projects require something outside a standard catalogue product.
RSP’s experienced engineering team can design and manufacture bespoke railway component boards and resistor plate assemblies to match existing installations or meet new project requirements.
We can manufacture assemblies incorporating:
- Resistors
- Capacitors
- Diodes
- Terminal blocks
- Customer-specified electrical components
- Bespoke wiring arrangements
Whether replacing obsolete equipment or developing a new signalling solution, we can provide a board tailored to your exact specification.
Why Choose RSP?
RSP has extensive experience manufacturing railway signalling products for the UK rail industry.
Customers choose RSP because we provide:
- UK manufacturing
- Factory-built and tested assemblies
- Bespoke design capability
- Fast turnaround for replacement assemblies
- High-quality components
- Experienced engineering support
- Reliable delivery for maintenance and infrastructure projects
Frequently Asked Questions
What are railway resistor plates?
Railway resistor plates are pre-assembled electrical boards used to mount resistors and associated components within railway signalling systems.
What are railway component boards used for?
Railway component boards support electrical components such as resistors, capacitors and diodes used within signalling equipment, relay rooms and trackside installations.
Can RSP manufacture bespoke resistor plates?
Yes. We regularly manufacture bespoke resistor plates and component boards to customer drawings or replicate obsolete assemblies.
Do your resistor plates fit standard relay slots?
Yes. Our standard range is designed to fit BR930 series relay slots for straightforward installation
Resistor Plate Range
| Application | Description | Components | Part No. |
|---|---|---|---|
| Point | Single Point End | 2 x 1KΩ 10W | DLS20021 |
| Single Point End** | 2 x 1.5KΩ 10W | DLS20252 | |
| Double Point End | 4 x 1KΩ 10W | DLS20023 | |
| Clamp Lock | 2 x 2.2KΩ 10W | DLS20104 | |
| Signal | Double Flashing Aspect Signal | 2 x 680Ω 10W | DLS20022 |
| Double Fibre Optic Banner Signal | 2 x 47Ω 50W | DLS20026 | |
| Position Light Signal | 4 x 2.2Ω 10W | DLS20101 | |
| ECRO | 1 x 1.2Ω 2.5W | DLS20106 | |
| Fibre Optic Banner Signal | 1 x 4.7Ω 50W | DLS20107 | |
| TPWS | 1 Resistor | 1 x 3.9KΩ 25W | DLS20032 |
| 2 Resistor | 2 x 3.9KΩ 25W | DLS20076 | |
| AWS | 2 x 5.6Ω 25W | DLS20142 | |
| Level Crossing | Audible Warning Volume Limiter (Double Width) | 6 x 680Ω 2.5W 6 x 1KΩ 2.5W | DLS20165 |
| General | 1 Resistor 0.25W | 1 x 20KΩ 0.25W | DLS20280 |
| 1 Resistor 0.4W | 1 x 15Ω 0.4W | DLS20279 | |
| 1 Resistor 2.5W | 1 x 10KΩ 2.5W | DLS20082 | |
| 1 Resistor 4W | 1 x 15Ω 4W | DLS20281 | |
| 1 Resistor 5W | 1 x 1.2Ω 5W | DLS20257 | |
| 1 Resistor 25W | 1 x 33Ω 25W | DLS20033 | |
| 1 Resistor 25W | 1 x 10KΩ 25W | DLS20267 | |
| 1 Resistor 50W | 1 x 300Ω 50W | DLS20297 | |
| 2 Resistor 2.5W | 2 x 10KΩ 2.5W | DLS20030 | |
| 2 Resistor (10W) | 1 x 10KΩ 10W 1 x 2.2Ω 10W | DLS20171 | |
| 2 Resistor 360 (50W) | 3 x 360Ω 50W | DLS20164 | |
| 2 Resistor 470 (50W) | 2 x 470Ω 50W | DLS20037 | |
| 3 Resistor (10W) | 2 x 1KΩ 10W 1 x 2.2Ω 10W | DLS20170 | |
| 4 Resistor 2.5W | 4 x 10KΩ 2.5W | DLS20031 |
Diode Plate Range
| Application | Description | Components | RSP Part No. |
|---|---|---|---|
| General | 1 Diode 400V | 1 × IN5404 400V 3A | DLS20039 |
| General | 4 Diode 400V | 4 × IN5404 400V 3A | DLS20100 |
| General | 4 Diode 50V | 4 × IN4001 50V 3A | DLS20179 |
Capacitor / Resistor / Diode (HO / JO / HOJ) Plate Range
| Board Type | Description | Components | RSP Part No. |
|---|---|---|---|
| HO Board | 1 Capacitor, 1 Resistor | 1 × 470µF 100V 1 × 330Ω 25W | DLS20131 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 3300µF 11V 1 × 330Ω 25W | DLS20132 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 2200µF 100V 1 × 6.8Ω 25W | DLS20136 |
| HO Board | 2 Capacitors, 2 Resistors | 2 × 470µF 100V 2 × 330Ω 25W | DLS20172 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 470µF 100V 1 × 150Ω 25W | DLS20174 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 2200µF 100V 1 × 150Ω 25W | DLS20176 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 1000µF 100V 1 × 150Ω 25W | DLS20193 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 4700µF 63V 1 × 100Ω 20W | DLS20294 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 1000µF 50V 1 × 270Ω 10W | DLS20295 |
| HO Board | 1 Capacitor, 1 Resistor | 1 × 1000µF 50V 1 × 100Ω 20W | DLS20296 |
| HO Board – Double Width | 2 Capacitors, 2 Resistors | 2 × 2200µF 100V 2 × 6.8Ω 25W | DLS20173 |
| HO Board – Double Width | 2 Capacitors, 2 Resistors | 1 × 470µF 100V 1 × 1000µF 100V 2 × 150Ω 25W | DLS20175 |
| JO Board | J/O Board 11V | 2 × IN5404 400V 3A 2 × 100Ω 2.5W | DLS20133 |
| HOJ Board | 1 Capacitor, 1 Diode, 1 Resistor | 1 × 470µF 100V 1 × 330Ω 15W 1 × IN4004 400V 1A | DLS20065 |
| HOJ Board – Double Width | 2 Capacitors, 2 Diodes, 2 Resistors | 2 × 6800µF 63V 2 × 36Ω 2W 2 × IN4004 400V 1A | DLA20231 |
Dummy Load Plate Range
| Application | Description | Components | RSP Part No. |
|---|---|---|---|
| ATP TrF Board | 6VA Transformer (CPA10047) | 1 × 15Ω 5W | DLS20167 |