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Littelfuse Littelfuse (View All Products)

Littelfuse KLDR4 - LIT 10.3x38mm CC Slow Fuse 600V 4A

  • Littelfuse
  • BW#: 03155748
  • Mfr#: KLDR4
  • UNSPSC#: 39121617
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Littelfuse KLDR4 - LIT 10.3x38mm CC Slow Fuse 600V 4A
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Features
KLDR time-delay fuses are designed to protect control transformers, solenoids and similar inductive components with high magnetizing currents during the first half-cycle. They provide excellent protection of motor branch circuits containing IEC or NEMA rated motor controllers or contactors. They closely match most control power transformer characteristics, which permits the time delay fuses to be sized in accordance with the latest revisions of UL 508 (Industrial Control) and UL 845 (Motor Control Centers). When the time delay of KLDR fuses is adequate to carry motor starting current, they provide excellent protection of motor branch circuits containing IEC or NEMA rated motor controllers or contractors. Compared to other UL Listed fuses, Class CC time delay fuses are the most current limiting, rating for rating.
Time delay fuses provide this superior protection in a fraction of the space required by other fuse classes. — For example, when 600 V three-pole, 30 A Class R fuse blocks are replaced by Littelfuse Class CC fuse blocks, panel-mounting space is reduced approximately 70%.

 • Excellent short-circuit protection : Improve safety through faster response to fault currents
 • Current limiting : Restricts fault currents to provide high degree of circuit protection
 • Rejection feature : Prevents use of fuses with lower interrupting ratings or voltage when used with corresponding fuse holders

Applications
Small transformer protection (control power transformers) – KLDR series, time delay fuses designed to withstand the high magnetizing inrush of transformers.

Specifications

UL

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Technical Specifications

Type Fuse
Voltage Rating 600V
Current Rating 4A
Application KLDR series, time delay fuses designed to withstand the high magnetizing inrush of transformers
Colour 600V
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