ABB SPAU 331 C User Manual

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SPC 000
SPAU 331 C
Voltage relay
User´s manual and Technical description

ABB SPAU 331 C Specifications

General

Brand	ABB
Model	SPAU 331 C
Category	Relays
Language	English

Summary

Features

Application

Details the intended use of the SPAU 331 C for supervision of busbar voltages in distribution substations.

Description of operation

Connections

Specification of input and output terminals

Operation indicators and push-buttons

Signal flow diagram and configuration switches

Configuration switches

Switchgroup SGR on relay system panel

Details the functions and factory settings for switchgroup SGR on the relay system panel.

Switchgroup SGB on PC-board in residual overvoltage relay module SPCU 1C6

Describes switchgroup SGB on the SPCU 1C6 module, including functions and factory settings.

Switchgroup SGB on PC-board in undervoltage relay module SPCU 3C15

Details switchgroup SGB on the SPCU 3C15 module, including functions and factory settings.

Power supply module

Output relay module

Technical data

Energizing inputs

Specifies rated voltage, terminal numbers, and burden for energizing inputs.

External control inputs

Details terminal numbers and current drain for external control inputs.

Contact outputs

Lists terminal numbers, voltage, current, and contact material for tripping and signalling outputs.

Auxiliary power supply

Provides voltage ranges and power consumption for auxiliary power supply modules.

Data communication

Test voltages *)

Lists dielectric, impulse, and insulation test voltages according to IEC standards.

Disturbance tests *)

Specifies high-frequency, electrostatic discharge, and fast transient disturbance test parameters.

Emission tests

EMC tests

Covers CE approval and testing according to EMC standards.

Environmental conditions

Details service temperature, transport, and damp heat test conditions.

Maintenance and repair

Spare parts

Lists available spare parts including relay modules, power supply, and connection modules.

Delivery alternatives

Details the different delivery versions of the SPAU 331 C voltage relay.

Dimension drawings and mounting

Mounting Options and Connectors

Provides dimension drawings, flush/projecting mounting options, IP rating, and details on connectors.

Order numbers and ordering information

Order Number Structure

Explains the letter combinations in order numbers denoting rated frequency and auxiliary supply voltage.