Hirose Electric EF2 ZERO SCREW™ Terminal Blocks
Hirose Electric EF2 ZERO SCREW™ Terminal Blocks are spring terminal blocks designed to connect cables to electrical equipment such as power distribution in buildings without using screws. By eliminating screws, Hirose EF2 saves installation work and maintenance and also prevents accidental fires triggered by the loosening of screws in electrical power applications. These ZERO SCREW terminal blocks use a single action positive lock connection method for inserting standard ring terminals and maintains stable connection regardless of the operator. Hirose EF2 terminal blocks are easy to use in narrow and dimly lit places. The series offers a wide cable sizes (1.25mm2 to 200mm2) and supports a wide current range (16A to 400A).
Features
Quick and secure single action positive lock designEasy operation simplifies maintenance, especially in narrow and dimly lit placesEasy connection with standard ring terminalsHigh reliability connection with unique contact spring designSupports wide variety of cable sizes and currents
Applicable: 1.25mm2 to 200mm2Rated current: 16A to 400AEasy crimping termination with JIS crimp toolsUL and TÜV certification pending
Applicable: 1.25mm2 to 200mm2Rated current: 16A to 400AEasy crimping termination with JIS crimp toolsUL and TÜV certification pending
Specifications
600 or 1000VAC / 600 or 1500VDC rated voltage-25°C to ＋105°C (includes temperature rise due to current flow) operating temperature rangeContact resistance (DC 1A)
1mΩ or less (DC30, D60)0.1mΩ or less (D150, D250, D400)1000MΩ or more insulation resistance
1mΩ or less (DC30, D60)0.1mΩ or less (D150, D250, D400)1000MΩ or more insulation resistance
Applications
Power distributionSemiconductor manufacturing equipmentMachine toolsEnergy storage systems
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