The RKF Electromagnetic Fusible Power Relay is a reliable and efficient motor load application. The relay has a non-polar LED for easy coil identification, and a lockable test and inspection window. The relay also has good performance for long-term use.
RKF magnetic blow-out power relay consists of a Relay and socket. The control voltage range can be extended using a matching socket. It can be used with the following types of sockets: SKF08-E socket, SKF14-E socket, SKB08-E socket, SKB14-E socket, SKC08-E socket, SKC14-E socket, SKB08-E socket, SKB14-E socket, and etc.
| Contact | Configuration | 2C | ||
| Load | Resistance | 15A/250VAC 30VDC (NO:15A, NC:7.5A); 10A 60VDC | ||
| Motor load | 1/3HP, 240VAC | |||
| Switching capacity (resistive) | 3750VA, 600W | |||
| Switching capacity (perceptual) | 2500VA, 90W | |||
| Min. switching capacity | 170mW(17V/10mA) | |||
| Initial contact resistance | ≤50mΩ | |||
| Material | Ag alloy | |||
| Electric durability(110%rated voltage, 55℃) | ≥10 x 104Cycles NO:15A, NC:7.5A); ≥20 x 10 4 Cycles(NO/NC:12A) | |||
| Mechanical durability | ≥2000 x 104 (18000 Ops/h) | |||
| Pick-up voltage (23℃) (Rated voltage) | DC:≤75%, AC:≤80% 50/60Hz | |||
| Drop-out voltage (23℃) (Rated voltage) | DC:≥10%, AC:≥30% 50/60Hz | |||
| Maximum voltage (23℃) (Rated voltage) | 110% | |||
| Insulation resistance | ≥1000MΩ (500VDC) | |||
| Coil operating power | DC (W) | approx. 0.9 | ||
| AC (VA) | approx. 1.2 | |||
| Operate time&Release time (at nominal voltage) | ≤20ms | |||
| Initial breakdown voltage | Between open contacts | 1000VAC/1min (leakage current 1mA) | ||
| Between poles | 2000VAC/1min (leakage current 1mA) | |||
| Between contacts and coil | 4000VAC/1min (leakage current 1mA) | |||
| Insulation characteristics IEC 60664 UL840 | Rated voltage | 250VAC | ||
| Pollution level | 3 | |||
| Overvoltage level | III | |||
| Impulse withstand voltage (waveform: 1.2/50us) | 4000V | |||
| Protection level | IP50 | |||
| Storage temperature/ humidity | -55~+85℃/ ≤85%RH (18 months) | |||
| Working temperature/ humidity | -55~+70℃/ 5%~85%RH (No condensation) ★ | |||
| Air pressure | 86~106KPa | |||
| Shock resistance | 10G (half-sine shock pulse: 11ms) | |||
| Vibration resistance | 10~55Hz double-amplitude:1.0mm | |||
| Mounting | Plugin | |||
| Unit weight | Approx. 35g | |||
| Nominal voltage V DC | 6 | 12 | 24 | 48 | 110 | / |
| Coil resistance Ω | 40 | 180 | 640 | 2600 | 13000 | / |
| Nominal voltage V AC | 6 | 12 | 24 | 48 | 115 | 230 |
| Coil resistance Ω | 11.5 | 180 | 370 | 640 | 4430 | 16500 |
| Remarks: Coil resistance: under coil voltage 110V is measured with a tolerance of ±10%Ω, above 110V with a tolerance of ±15%Ω. | ||||||