PFIFFNER Instrument Transformers Ltd. is an independent industrial company that manufactures high-quality, modern and competitive products for electricity suppliers and industrial companies in Swiss quality at its Hirschthal site.

Thanks to an extensive vertical range of manufacture, we achieve a high degree of flexibility in the development and design of our products. We serve the international market with our equipment used for safe energy power distribution and billing. Innovation, many years of experience combined with extensive know-how, and our commitment to performance are our keystones for sustainable success.

Innovative Technologies

Our in-house Research & Development department constantly works on innovative technologies and the challenges the power grid will be facing in the future. All our employees are committed and dedicated to service all needs of our customers.

Product overview

PFIFFNER Laboratories can carry out power frequency voltage withstand tests up to 800 kV alternating and direct voltage, including partial discharge measurement. Lightning impulse voltage withstands tests are possible up to 2200 kV.

• Test Facilities & Laboratories
• Calibration Services
• Verification Services for Switzerland
• Insulating Oil Testing