Product Description
The SP House Service Cutouts are most compact, convenient and reliable products for street lighting applications. These product are designed for 25A, single Phase & neutral lines as per BS 7654. It has a unique design offering easy installation on the street lighting equipment. The Street Lighting Cutouts offers IP22 degree of protection. Further, the housing is made up of high quality Dough Moulding compound (DMC) which offers excellent mechanical & Electrical strength.
Design Characteristics:
- It can accommodate two core / four core cables as follows:
- Type- A-1 Suitable for accommodating one incoming two core cable & One outgoing two core cables.
- Type- B-1 Suitable for accommodating one incoming four core cable & one outgoing four core cable. Two cores from both incoming & outgoing cables can be looped without being electrically used
- through two separate terminals.
- Terminals are made up of tinned brass with serrated bores of Dia 8 mm.
- Rubber grommets are provided at inlet / outlets to prevent ingress.
- Accepts tag type fuse links 2-25A to BS 7654.
- Facilities for Sealing by wire & lead seals provided.
- Except for the pinching screws, all screws & fasteners used in the cutout are in stainless steel.
Technical specification
| Technical detail | TYPE-A1 | TYPE-B1 |
| Housing material | DMC | DMC |
| Rated operation current | 25 A | 25 A |
| Rated operational voltage | 250V | 250V |
| Rated insulation voltage | 500V | 500V |
| Rated short time current | 6 KA PEAK | 6 KA PEAK |
| Impulse voltage | 6 KV | 6 KV |
| Cable type | TWO CORE CABLE FOR I/C & O/G | FOUR CORE CABLE FOR I/C & O/G |
| Fuse link | 2-25 A TAG TYPE AS PER BS 7654 | 2-25 A TAG TYPE AS PER BS 7654 |
| Sealing arrangement provided | YES | YES |
Reliable Protection for Street LightingEngineered for safety and durability, this cutout safeguards street lighting systems from electrical faults. Its robust construction and advanced features, such as a transparent fuse status window and padlockable cover, facilitate efficient maintenance and security.
Designed for Extreme ConditionsManufactured with shatterproof, UV-resistant polycarbonate, this unit operates efficiently within a wide temperature range and up to 95% humidity. Enhanced ingress protection (IP54) ensures reliability against dust, water, and harsh environmental factors.
Easy Installation and MaintenanceWith brass screw connectors and generous cable/terminal capacity, installation is straightforward on poles or surfaces. The transparent window permits swift visual inspection, while the replaceable HRC/cartridge fuse streamlines maintenance processes.
FAQs of Street Lighting Cutouts:
Q: How do I install the street lighting cutout for optimal performance?
A: To install the street lighting cutout, simply mount it on the pole or surface using the provided fixing points. Connect the cables (up to 16 mm) using the brass screw terminals. Ensure secure earthing and use the padlockable cover for added safety. Always follow standard electrical safety guidelines during installation.
Q: What benefits does the transparent window panel provide?
A: The transparent window allows users to easily check the status of the fuse without opening the enclosure. This reduces downtime, speeds up troubleshooting, and ensures safer, more efficient maintenance.
Q: When is it necessary to replace the fuse in this cutout?
A: The fuse should be replaced whenever it has blown due to a fault or overload in the street light circuit. The cartridge/HRC fuse is accessible and can be visually inspected through the window panel. Always use a compatible fuse as specified in product guidelines.
Q: Where can this cutout be used?
A: This street lighting cutout is designed for urban, suburban, and rural outdoor environments. Its IP54 rating, UV resistance, and robust construction make it suitable for a wide range of climates and conditions where reliable street light protection is required.
Q: What process should be followed during maintenance?
A: During maintenance, first disconnect the power supply. Use the transparent window to check the fuse status. If replacement is needed, unlock and open the cover, remove the blown fuse, and insert a new HRC/cartridge fuse. Secure the cover with a padlock and restore power after ensuring all connections are safe.
Q: How does the polycarbonate enclosure enhance safety and durability?
A: The polycarbonate body is both shatterproof and UV-resistant, offering high impact strength, long-term weather resistance, and protection against flammability (V-0 rating). This guarantees prolonged service life and reduces maintenance frequency in demanding outdoor environments.
Q: What is the advantage of the padlockable cover feature?
A: The padlockable cover ensures only authorized personnel have access to the fuse compartment, enhancing security and preventing unauthorized or accidental access, which is particularly important for public lighting installations.