FTR-K1 SERIES POWER RELAY 1 POLE - 25A - 1.5mm contact gap FTR-K3-WG Series FEATURES 1 pole, 25A 1 Form A Contact gap 1.5mm (Compliance with European photovoltaic standard VDE0126) High insulation in small package (between coil and contact) - Insulation distance: Clearance > 6.4mm Creepage > 9.5mm - Dielectric strength: 5,000VAC - Surge strength: 8,500V Coil holding voltage can be reduced up to 35% of nominal coil voltage (ambient temperature +20 C, contact current 25A) Power consumption at the lowest coil holding voltage 96mW * Coil holding voltage is the coil voltage after 100ms of applied nominal coil voltage Flammability UL94V-0 (plastics) Cadmium-free contacts Flux free, cat. RTII protection RoHS compliant Please see page 6 for more information PARTNUMBER INFORMATION FTR-K3 A B 012 W - WG Example (a) (b) (c) (d) (e) (f) (a) Relay type FTR-K3 : FTR-K3-Series (b) Contact configuration A : 1 form A / PCB type (c) Coil power B : Standard type (780mW) (d) Coil rated voltage 012 : 5.....48 VDC Coil rating table at page 3 (e) Contact material W : Silver alloy (f) Option code WG : Contact gap 1.5mm Actual marking does not carry the type name :FT E.g.: Ordering code: FTR-K3AB012W-WG Actual marking: K3AB012W-WG 1FTR-K1 SERIES FTR-K3-WG SERIES SPECIFICATION Item FTR-K3-WG Contact Data 1 form A Material Silver alloy Resistance (initial) Max. 100m at 1A, 6VDC Contact rating 25A, 250VAC (resistive) Max. carrying current 25A Max. switching voltage 250VAC Max. switching power 6,250VA Max. switching current 25A 1 Min. switching load * 100mA, 5VDC (reference value) 6 Life Mechanical Min. 2 x 10 operations 3 Electrical (resistive) 25A / 250VAC, min. 100 x 10 operations Endurance: 3 25A, 250VAC, cos = 0.8, min. 30 x 10 operations Electrical (inductive) Overload: 37.5A, 250VAC, cos = 0.8, min. 50 operations Coil Data Rated power (at 20 C) Approximately 780mW Operate power (at 20 C) Approximately 383mW Coil power at holding voltage 96mW (35% of nominal coil voltage) 35~120% of nominal coil voltage (25A at +20 C) 2 Holding voltage * 40~80% of nominal coil voltage (25A at +85 C) -40 C to +60 C (coil nominal voltage) Operating temperature range -40 C to +85 C (holding voltage 40~80% of nominal coil voltage) Timing Data Operate (at nominal voltage) Max. 20ms (without bounce) Release (at nominal voltage) Max. 10ms (no diode, without bounce) Insulation Contact gap (initial) Min. 1.5 mm Resistance Min. 1,000M at 500VDC Open contacts 2,500VAC, 1min. Dielectric strength Coil and contacts 5,000VAC, 1min. Surge strength Coil to contacts 8,500V / 1.2 x 50s standard wave Clearance / creepage Min. 6.4mm / min. 9.5mm Other Vibration resistance Misoperation 10 to 55 to 10Hz single amplitude 0.75 mm Endurance 10 to 55 to 10Hz single amplitude 0.75 mm Misoperation Min. 200m/s (11 1ms) Shock resistance Endurance Min. 1,000m/s (6 1ms) Weight Approximately 25 g *1 Minimum switching loads mentioned above are reference values. Please perform the confir mation test with actual load before production since reference values may vary according to switching frequencies, environmental conditions and expected reliability levels. *2 Reduction of minimum coil holding voltage to maximum coil voltage range, after 100msec energizing with nominal coil voltage. Care shall be taken on the heat generated on PC board when maximum carrying current exceeds 10A. Please perform the confirmation test with actual conditions. 2