20 A slim relay
11 August 2004
Switches, Relays & Keypads
Fujitsu Components has released a slim, 20 A power relay that is targeted primarily at OEMs developing commercial and industrial products. Rated for a maximum load of 20 A at 250 V a.c., the FTR-K3 is a 1Make (1 Form A) relay that is suited for switching compressor and inverter loads in airconditioners, refrigerators and other major appliances, as well as for use in office equipment.
The relay consumes a nominal operating power of 780 mW and has an operating temperature range of -40 to +60°C. Dimensions of the slim-type relay are 30,1 x 15,7 x 23,3 mm (H).
The FTR-K3 relay features an 8 mm clearance distance and a minimum 9,5 mm creepage distance between coil and contacts for high-insulation resistance. It also has a surge withstand voltage of 8500 V (1,2 x 50 µs) and features a 1000 V dielectric strength between contacts and 5000 V dielectric strength between coil to contact. It also realises the lowest power consumption (780 mW) in this class. The relay's expected mechanical life is rated at 2 million operations with an electrical life of 100 000 operations at rated load (20 A, 250 V a.c.).
The FTR-K3 meets UL, CSA, VDE (pending) and CQC agency approvals and uses of UL94 flame class V-0 and UL CTI level class 2 plastics. It is constructed of lead-free materials and cadmium-free contacts. The series is available with #250 TAB and PCB terminals in 5, 6, 9, 12, 18, and 24 V d.c. coil voltages.
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