6777 0877
Huat Heng Engineering Pte Ltd (Westech Building)
Huat Heng Engineering Pte Ltd (Westech Building)
About Us

HUAT HENG ENGINEERING - established in 1969 as a partnership company is one of the pioneers in supplying switchboards to the HDB projects in the early 70s'.

We are converted to Privated Limited company in 1991 to further expand our business and have achieved a leading market position in the domain. We aim to be the preferred and most trusted Manufacturer of electrical switchboards and services.

Products & Services


ASTA Type tested LT Main Switchboards from 1000A to 6000A. Sub-switchboards for indoor or outdoor application, Distribution Boards, Control Panels, Console panels, Tap off Units, HT Meter Panels, LT Metering Panels, Temporary Supply Panels (SOA), Overground Boxes, etc.

Type Tested to IEC 60439 and the latest IEC 61439-1:2009 Edition1.0 and 61439-2: 2009 Edirion 1.9 for Type Tested Switchgear Assemblies.

Provide Annual Servicing and Maintenance of Switchboards including on-site upgrading of electrical switchboards including extension, modification and jointing works. Testing and commissioning.


1000A to 6000A Main Switchboards - ASTA Type Tested to IEC 60439 and the latest IEC 61439-1:2009 Edition 1.0 and 6139-2:2009 Edition 1.0 for Type Tested Switchgear Assemblies.

Schedule of tests are:

Verification of Temperature Rise Limits

Verification of Dielectric Properties

Verification of Short Circuit withstand Strength

Vertifcation of Protection against Electric Shock and Integrity of Protective Circuit.

Verification of Clearance and Creepage distances

Verification of Mechanical Operation

Verification of the Degree of Protection

Verification of Strength of Insulation Material and Parts to abnormal heat and fire

Verification of Electromagnetic Compatibility (EMC)

Conform to IP4x, IP40, IP43, IP55, IP65

Type of Construction: Forms 2a, 2b, 3a, 3b, 4a or 4b

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