Upgrade the ammeter, timer and control functions of older circuit breaker test sets with ETI's high current digital memory ammeter & timer module.   Circuit Breaker Test Set
Retrofitted with MAC-20
High Current Memory Ammeter Upgrade Module
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The MAC-20 digital ammeter / timer and control upgrade module can be used with many older circuit breaker test sets such as the Multi-Amp Model CB-8115, CB-8130 or CB-8160 circuit breaker tester.

Shown below is the Multi-Amp Model CB-8130 circuit breaker test set before and after being retrofitted with MAC-20 high current memory ammeter upgrade module.
CB-8130 before retrofit with MAC-20
Before 		  CB-8130 after retrofit with MAC-20
After
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