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SGC 421

Protection Relay · Electrical Components & Switchgear

Class-certified type (DNV register) · technical data sheet not yet verified

The SGC 421 controller is designed for AMF (automatic mains failure) applications and offers electronic governing plus features such as advanced battery charge management and temperature monitoring.

Specifications

Technical data.reference — unverified

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Range0 to 5 V DC
Accuracy±1.25 % of full scale
Resolution0.1 V
Frequency range10 to 10 kHz
Input voltage range200 mV to 45 V AC RMS
Voltage range0 to VBATT
ExcitationPWM (power limited to 3 W, 12 V/250 mA, 24 V/125 mA)
Manufacturer documentation

Images from manufacturer documentation.

Photos, drawings and page previews from this model’s datasheet or catalog.

The SGC 421 is a controller with various input types for voltage, current, and battery monitoring, used in genset paralleling and battery run hour calculations.

Applications

  • genset paralleling
  • battery monitoring
  • engine speed sensing

Features

  • analogue voltage/current sensing
  • site battery run hours calculation
  • magnetic pick-up input
  • differential battery input

Options

  • additional input/output options
Source: DEIF SGC 421 datasheet, p. 17
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