The Siemens WLTS is a handheld test set designed for testing Siemens type WL low-voltage circuit breakers. It’s a crucial tool for service personnel and users to verify the proper operation of the circuit breaker’s electronic trip unit (ETU) and its associated components.
ETU's:
Specifications: (General Features):
Features:
Testing:
Resources:
ETU's:
The Siemens WLTS is a hand-held test set for electronic trip units (ETUs) used in Siemens WL low voltage circuit breakers. It can test the following types of ETUs:
- 745
- 746
- 727
- 776
Specifications: (General Features):
- Handheld and Portable: Designed for easy use in the field.
- Direct Connection to ETU: Connects directly to the test port (X25) on the WL circuit breaker’s electronic trip unit via a ribbon cable.
- User-Friendly Interface: Features LEDs to indicate the status of the test and any errors.
- Power Supply: Typically powered by a 110V AC network (North American power cables are usually included).
- Compatibility: Specifically designed for Siemens WL series circuit breakers with electronic trip units
Features:
Here are some of the features of the Siemens WLTS:
- Portable and easy to use
- Built-in display for test results
- Can be connected to a PC for data logging and analysis
- Test functions: overcurrent, undervoltage, earth fault, phase sequence, trip curve, trip time
- Reliable and accurate
- Designed for use with Siemens WL circuit breakers
Testing:
It can be used to test the following functions:
- Overcurrent
- Undervoltage
- Earth fault
- Phase sequence
- Trip curve
- Trip time
Resources: