PERFORMS TIMING FOR ANY CIRCUIT BREAKER BREAKS PER PHASE WITH
MOTION MEASUREMENTS FOR ANY CIRCUIT BREAKER​

CIRCUIT BREAKER TEST SYSTEM
Slow Close (C).
types of circuit breakers. The TDR900 provides efficient and accurate performance
measurements for circuit breakers. It allows simple to complex testing of circuit
breakers using a single, rugged, field-portable instrument. TDR900 controls circuit
breaker trip and close commands and supports the following operations: Trip (O),
Close (C), Reclose (O-0.3s-C), Tripfree (CO), O-CO, O-0.3s-CO, First Trip (O),
Slow Close (C).​

FEATURES
-. Test circuit breakers with up to 4 breaks per phase, 3 motion channels,
3 auxilary contact channels, and 3 analog channels
-. Rugged and Reliable . the TDR900 is a single box solution, providing
the accuracy of a laboratory instrument with durability for field use
-. Complete Test Reports . provided in MS Excel™, MS WordTM, and PDF
formats
-. User-friendly PC interface . T-Doble Software features an intuitive
control panel for quick, efficient and simple testing of circuit breakers
-. Measure additional parameters in the mechanism cabinet using Doble
or 3rd party transducers​

BENEFITS
• Control with a Doble Universal Controller (DUC), tablet or PC
early diagnosis of mechanical problems
• Easily detect main contact and resistor contact timing errors
• Immune to Interference—the accuracy of test results is unaffected by
the severe conditions of electrostatic and electromagnetic interference
that are normally present in harsh substation environments 

• Control with a Doble Universal Controller (DUC), tablet or PC
early diagnosis of mechanical problems

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