
High Voltage Switchgear Maintenance and Low Voltage Switchgear Maintenance
INDSS Ltd can offer our customers routine maintenance on HV switchgear and LV switchgear which falls under their control. This service is focused around meeting the client’s business needs and expectations.
We can develop a specific and bespoke maintenance regime, which works in tandem with business and operational needs.
High Voltage Maintenance Service and Low Voltage Maintenance Services
Our High and Low Voltage Maintenance Services includes full HV and LV maintenance and testing on:
- High Voltage Switchgear such as ring main units, isolating switches, gas circuit breakers, vacuum circuit breakers and oil circuit breakers
- Low Voltage Switchgear such as air circuit breakers and Moulded Case Circuit breakers.
- Protection Devices such as high voltage protection relays, low voltage protection relays
- Power Factor Correction Equipment inspection
- DC Battery Charger Units Inspections
We offer this service as part of our maintenance contract and aim to undertake full intrusive maintenance of HV switchgear and LV switchgear once every 4 years, however, this service is also offered as a once off bespoke service if required.
HIGH AND LOW VOLTAGE SERVICES

Transformer Maintenance
INDSS Ltd are one of the UK’s leading independent substation contractors
specialising in high voltage engineering
HIGH AND LOW VOLTAGE SERVICES

Independent Substation Services Ltd
Unit 55 Edison Road,
Rabans Lane,
Aylesbury
Buckinghamshire
HP19 8TE.
Email Us
Call Us
01296 434 808