Integrated Measurement Relay – IMR

The Integrated Measurement Relay (IMR) enables rapid action on hermetically sealed liquid-filled distribution and small power transformers. The operator would receive an alarm if any of the transformer’s pressure, temperature, oil level, or gassing increased above predetermined thresholds.

Why Hitachi Energy?

• More than 50 years of experience in manufacturing transformer components
• Comprehensive product portfolio for distribution and power transformers
• Smart grid applications
• Global after-sales and customer support network

Product scope:

• Hermetically sealed oil-filled distribution transformers and small power transformers
• Double insulation system, no need to make the earth connection
• Air venting valve for draining the moisture inside the terminal box
• Full compliance with the EN 50216-2-2 specification
• EMC compliance ≤ 25 mT
• No need for anti-magnetism shielding
• UV protection screen