

Introduction
Handheld circuit breaker/relay tester for electric locomotive circuit breaker/relay performance test, can test the on-voltage, release voltage, on-resistance, and break-circuit resistance parameters of the circuit breaker/relay, and determine whether the circuit breaker/relay can work normally.
Project Brief Description:
The design requirements were put forward by the science and technology committee of a locomotive depot, and Tongwei Technology completed the design and verified it.
Product R&D:
Enclosure design
Internal circuit software and hardware design
Reliability verification
Prototype machining and validation
Testimonials:
The project has been completed completely, and has passed the customer's acceptance, and has been delivered in small batches to the locomotive depot for use, which is currently running well. The customer evaluation is very high, and it has become a relationship of mutual trust between partners.