455480R
Littelfuse Protection Relays, 455 Series

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455480R

Littelfuse Protection Relays, 455 Series
Littelfuse
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455480R

Littelfuse Protection Relays, 455 Series
Littelfuse
3-PH.LINE-LOAD VM/190-480V/ADJ.VUB
MFG Item Number
455480R
Series
455
More specs
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Description

Protection Relays, 455 Series
Item #
455480R
3-PH.LINE-LOAD VM/190-480V/ADJ.VUB

455 Series Information

  • Protects From Contact Failure
  • Protects From Voltage Unbalance
  • Protects From Rapid Cycling
  • Surface Mount
The Model 455 three‑phase voltage monitor combines load and line‑side monitoring to alert the user of contact failure or impending contact failure. The line‑side monitoring will protect the motor from damaging line‑side conditions prior to the motor starting. With other line/load‑side voltage monitors, the motor must be started before a voltage problem is detected. With the Model 455, your motor is fully protected at all times. The motor will not start if a power problem is present.

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Specifications

Specifications
Manufacturer Part Number 455480R
Manufacturer Littelfuse
Product Series 455
Family Series Littelfuse Protection Relays, 455 Series
Description 3-PH.LINE-LOAD VM/190-480V/ADJ.VUB TD,RD/480V REL.
Phase 3
Voltage 390-480 V
Line Voltage 390-480 V
Hi Pwr (Over Vltg) Trip Yes
Time Delay Trip (Sec) 2-30 s
Restart Delay (Sec) 2-300 s
Type of Display LED Status Indicator
Mounting Surface
Approvals UL
Net Weight 0.955 lbs
Gross Weight 1.1 lbs