Machine Design

Power Relay

The FTR-H3 Form A relay, with a maximum noise level of 50 dB, is for sophisticated consumer appliances, such as digital TVs.

When mounted on a printed-circuit board, an internal U-shaped spring helps the relay maintain it's low noise level. The 10-A relay has a switching voltage of 400 Vac and 300 Vdc and comes in standard coil voltages of 5, 6, 9, 12, 24, and 48 Vdc and features 530-mW nominal power. The unit operates at 40 to 75°C, has a surge-withstand voltage of 10 kV minimum, and features 5-kVac dielectric strength between coil and contacts. Mechanical life expectancy is 2 million operations.

Fujitsu Components America Inc., 250 E. Caribbean Dr., Sunnyvale, CA 94089, (408) 745-4900, fujitsu.com

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