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Protistor® size 70 gR, 350 to 600VDC

Approvals & Standards
IEC 60269-4 Compliance
UL/CSA Recognized E76491

These Protistor® fuse-links provide maximum flexibility in equipment design and ultimate protection for today's power conversion equipment. These square body fuse-links are available in different body sizes, each size having multiple worldwide acceptable mounting styles. The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. All contact surfaces are silver plated and all hardware is non-magnetic. All fuse-links can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

These Protistor® fuse-links provide maximum flexibility in equipment design and ultimate protection for today's power conversion equipment. These square body fuse-links are available in different body sizes, each size having multiple worldwide acceptable mounting styles. The Protistor® have been engineered to provide state-of-the-art protection for semiconductors: diodes, thyristors, GTO's and IGBT devices. Fuses are assembled with pure silver, die-cut elements embedded in solidified sand, which helps control arcing characteristics for a lower I²t and high interrupting rating level. All contact surfaces are silver plated and all hardware is non-magnetic. All fuse-links can be equipped with a low voltage trip-indicator which can operate a field mountable microswitch.

Key features & benefits

  • Multiple body sizes and terminals or blades combination

  • gR Class according to IEC 60269-4 and VDE 636-23

  • Low I²t for improved semiconductor protection

  • Extremely fast acting

  • Eliminate all overloads

  • Excellent cycling capability

Applications

  • Protection of inverters, motor drives, UPS systems and similar 600V or less equipments.

Technical Specifications

Voltage Range 350…600 V DC
Amperage Range 50 ... 350 A
Speed/Characteristic gR
CE Conformity Yes
Reach Compliant Yes

Reference Finder

10 references in this series

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Item number Ampere rating Fuse size Clearing I2t At Rated Voltage Indication System Product weight
K302666 - D70GB45V315TF See product
 315A 70 - Yes 0.339kg
Q302073 - D70GB60V50TF See product
 50A 70 - Yes 0.339kg
R302074 - D70GB60V63TF See product
 63A 70 - Yes 0.339kg
S1022458 - D70GB35V350ESF See product
 350A 70 - Yes 0.4kg
S302075 - D70GB60V80TF See product
 80A 70 - Yes 0.339kg
T302076 - D70GB60V100TF See product
 100A 70 - Yes 0.339kg
V302077 - D70GB60V125TF See product
 125A 70 - Yes 0.339kg
W302078 - D70GB60V160TF See product
 160A 70 - Yes 0.339kg
X302079 - D70GB55V200TF See product
 200A 70 - Yes 0.339kg
Y302080 - D70GB55V250TF See product
 250A 70 - Yes 0.339kg
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