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750V Open Style Semiconductor Fuseholders - IEC Cylindrical 14x51mm

Approvals & Standards
UL Recognized component guide IZLT2, File E52283
CSA Certified class 6225, File 32169

Mersen Semiconductor fuse blocks feature open face styles. Each version is rated 750 volts and accommodates 14 x 51mm or 22 x 58mm IEC Cylindrical fuses. 703, U705 and U710 fuseholders feature Mersen's unique adder-block design which can be assembled onto 1, 2, or 3-pole fuseholders to form multi-pole segmented holders of as many poles as desired. A choice of box, screw, or pressure plate connectors is offered to fit a wide range of standard or solid copper wire. All versions have verified dielectric strength in excess of 2500V. A patented built-in DIN-rail adapter on the U710 blocks adds further design versatility. All fuse clips are made of high conductivity tin-plated copper with spring reinforced clips.

Mersen Semiconductor fuse blocks feature open face styles. Each version is rated 750 volts and accommodates 14 x 51mm or 22 x 58mm IEC Cylindrical fuses. 703, U705 and U710 fuseholders feature Mersen's unique adder-block design which can be assembled onto 1, 2, or 3-pole fuseholders to form multi-pole segmented holders of as many poles as desired. A choice of box, screw, or pressure plate connectors is offered to fit a wide range of standard or solid copper wire. All versions have verified dielectric strength in excess of 2500V. A patented built-in DIN-rail adapter on the U710 blocks adds further design versatility. All fuse clips are made of high conductivity tin-plated copper with spring reinforced clips.

Key features & benefits

  • Thermoplastic bases

  • DIN-rail (U710) or Screw Mount

  • Adder block design

Applications

  • All circuits up to 750 volts using semiconductor fuses for protection of small inverters, UPS systems, motor drives, etc.

Technical Specifications
Frequency (Hz) 50/60 Hz
Amperage Range 0 to 30 A
Short Circuit Current Rating (SCCR) 200 kA
Flammability Rating 94 V-0
UL Category Code IZLT2

Reference Finder

24 references in this series

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Item number Ampere rating Fuse size Fuse Type/Class Number of poles Indication System Product weight
70327 See product
 30A - Semiconductor 2-Pole No 0.1043kg
70328 See product
 30A - Semiconductor 3-Pole No 0.1724kg
70355 See product
 30A - Semiconductor Adder No 0.0454kg
70356 See product
 30A - Semiconductor 1-Pole No 0.0544kg
70357 See product
 30A - Semiconductor 2-Pole No 0.1043kg
70358 See product
 30A - Semiconductor 3-Pole No 0.1724kg
U70505 See product
 50A - Semiconductor Adder No 0.0454kg
U70506 See product
 50A - Semiconductor 1-Pole No 0.0635kg
U70507 See product
 50A - Semiconductor 2-Pole No 0.1089kg
U70508 See product
 50A - Semiconductor 3-Pole No 0.1542kg
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