Transformer Winding Services Ltd is a privately owned company specialising in the design and manufacture of current and voltage transformers for the low to medium voltage electrical industry.
TWS has been designing and manufacturing transformers since 1981 and is the major supplier of metering current transformers and CT/VT metering units to the New Zealand electrical industry. Our design engineers have over 40 years experience in the industry.
The company's purpose built manufacturing facility provides TWS with an ideal base for the design and manufacturing of metering, protection and power transformers to meet individual customer requirements in the electrical industry.
At TWS our major strength is the willingness to custom design transformers to meet the end users dimensions and specifications whether for a one off or a large run requirement.
TWS is the only transformer manufacturer in New Zealand with a Class A Guide 17025 accredited Test Laboratory for the certification of current and voltage transformers used in revenue metering installations to NATA, EGR and like requirements. We can certify to NATA via the IANZ/NATA mutual recognition agreement.
We test to IEC, AS, BS and other standards on request.
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