Siemens WLTS User Manual

WLTS Hand-Held Test Set
WL Low Voltage Circuit Breakers
www.usa.siemens.com/WLBreaker
Application Guide

Siemens WLTS Specifications

General

Brand	Siemens
Model	WLTS
Category	Test Equipment
Language	English

Summary

Introduction to WLTS Hand-Held Test Set

Orientation and Device Overview

Shows the physical layout and key components of the WLTS device.

Connecting the WLTS to the Trip Unit

Details the steps for physically connecting the WLTS to the circuit breaker trip unit.

Testing Current and Energy Sensors

Explains how to test the WLTS's ability to verify current sensors and energy transducers.

Functional Testing Procedures

Safety and Preparation Notes

Provides critical safety warnings and notices for performing tests on the circuit breaker.

Instantaneous Tripping Test

Describes the procedure for testing the instantaneous tripping function of the circuit breaker.

Long-time Delayed Tripping Test

Outlines testing the long-time delay tripping function and related circuitry.

Short-time Delayed Tripping Test

Details the process for testing the short-time delay tripping function.

Neutral Conductor Tripping Test

Explains testing the neutral conductor's long-time delay tripping function.

Ground-fault Tripping Test

Covers testing the ground-fault tripping function and associated components.

Additional WLTS Functions

Activation of the Trip Unit

Describes how to activate the trip unit for setting parameters and diagnostics.

Testing the Measured Value Display

Explains how to simulate load currents to test the trip unit's measured value display.