
UPS
We offer a large range of UPS units from a selected range of manufacturers from 400VA up to 4.8MVA. Our prices are among the most competitive in the UK. We also specialise in Long Runtime Units with up to 48 hours back up available.
NHS Purchasing And Supply Agency Approved
NHS PASA is an executive agency of the Department of Health and works to ensure that the NHS in England makes the most effective use of its resources by getting the best possible value for money when purchasing goods and services.
Bluelight Emergency Services
Bluelight Emergency Services is a solution to provide an E-Tendering solution to all Emergency Services and provides them access to a high quality supply chain.
NICEIC Approved Contractor
TSE is proud to hold NICEIC Approved Contractors Accreditation.
We value this accreditation as an endorsement to the first class quality of our electrical installation services and also the continual technical updates to ensure that we are constantly operating to the highest possible industry standards.
BS EN ISO 9001-2008

TSE have held BS EN ISO certification since 1994. BS EN ISO 9001-2008 is the brand new internationally recognised standard for an organisation's internal Quality Management System. The term QUALITY refers to all those features of a product or service which are required by the customer.
Quality management ensures an organisations products or services satisfy its customers quality requirements and complies with any regulations applicable to those products or services
SafeContractor Approved
The Contractor Accreditation Scheme for Business. Helping you make an assured choice.
Safecontractor is an accreditation scheme that assesses the health & safety competency of contractors and service providers.
Clients have a legal obligation to ensure that external contractors and service providers working on their premises operate in a safe way.

We offer a large range of UPS units from a selected range of manufacturers from 400VA up to 4.8MVA. Our prices are among the most competitive in the UK. We also specialise in Long Runtime Units with up to 48 hours back up available.

We can supply all replacement UPS batteries, but recommend Sterling. Buy a one-off or a complete set comprising of 30 batteries or more, with our hard-to-beat prices and ‘from stock’ availability.

Replacement APC packs, built by TSE or selected partners, cover the full ‘RBC’ list as well as packs for other UPS manufacturers. Let us quote you or go to our on line shop- we will not be beaten on price.

Sterling HA Series of VRLA Industrial Batteries provide superior high integrity
reliability for critical backup power applications. The maintenance-free valve regulated
lead acid (VRLA) construction make Sterling HA series batteries the definitive choice for
UPS, telecom and utility applications.

UPS External Maintenance Bypass Switches (EMBS), built by TSE or selected partners, range in size from 1KVA up to 200KVA. The larger ratings can be built for single or parallel systems. Special build units with extra outputs can also be accommodated as well as audible and visual indications