XD1G11

Overview

XD1G11 is a Woodward differential protection relay for generators and motors, designed for precise current monitoring and fast fault response.

Specifications

• Primary rated current: 1 A

• Secondary rated current: 1 A

Measuring Input

• Rated current: 1 A / 5 A

• Rated frequency: 50–60 Hz

• Power consumption:

  • At IN = 1 A < 0.1 VA

  • At IN = 5 A < 0.5 VA

Thermal Withstand Capability

• Dynamic current withstand (half-wave): 250 × In

• For 1 s: 100 × In

• For 10 s: 30 × In

• Continuously: 4 × In

Auxiliary Voltage

• AC range: 35–275 V (40–70 Hz)

• DC range: 19–390 V

General Data

• Dropout to pickup ratio: > 97 %

• Returning time: < 50 ms

• Returning time after tripping: 100 ms ±10 ms

• Minimum operating time: 30 ms

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