201A
Littelfuse Protection Relays, 201A Series

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201A Littelfuse Protection Relays, 201A Series, Motor Protector, 3Ph, 190-480VAC,

MFG Item Number
201A

201A Littelfuse Protection Relays, 201A Series, Motor Protector, 3Ph, 190-480VAC,

MFG Item Number
201A
Series
More specs

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Description

Protection Relays, 201A Series
Item #
201A
Motor Protector, 3Ph, 190-480VAC,

201A Series Information

  • Protects From Low Voltage
  • Protects From Reverse Phase
  • Diagnostic LED
  • Optional High Voltage Protection
  • 8‑Pin Plug‑In
The 201A is an auto ranging 8‑pin, plug‑in voltage monitor designed to protect 190‑480VAC, 3‑phase motors regardless of size. It is used to prevent damage caused by single‑phasing, low voltage, phase reversal and voltage unbalance conditions.

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Specifications

Specifications
Manufacturer Part Number 201A
Manufacturer Littelfuse
Product Series 201A
Family Series Littelfuse Protection Relays, 201A Series
Description Motor Protector, 3Ph, 190-480VAC, 8-Pin Octal Base, SPDT Output, 10A Max, Phase Loss/Seq/Rev/Low Voltage
Phase 3
Voltage 190-480 V
Current Rating 10 A
Hi Pwr (Over Vltg) Trip Yes
Detection Phase Loss
Voltage Unbalance % 6 %
Time Delay Trip (Sec) 4 s
Restart Delay (Sec) 2 s
Type of Display LED Status Indicator
Mounting Plug-In
Comments 600V SOCKET AVAILABLE
Net Weight 0.7 lbs
Gross Weight 0.7 lbs
Alternatives
102A
102A
Littelfuse Protection Relays, 102A Series