After a fault occurs, use an MR or Manual Button Fault Indicator (MB) before reclosing for inexpensive, efficient fault location.
Line-powered, battery free.
The MR model is available in a convenient kit to keep on a truck. The kit includes three MRs and a Manual Reset Tool in a sturdy, lightweight carrying case.
MR models are also applicable on overhead systems.
More than 50 years of field-proven reliability.
|Nominal Trip Ratings||100 to 800 A|
|System Voltage Range|
|Overhead||Up to 38 kVL-L|
|Underground||Matches the URD Cable Rating|
|Maximum Fault Current||25 kA for 10 Cycles|
|Trip Response Time||8 ms|
|Outer Diameter Clamping Range||0.25" to 1.4" (Please Specify the Clamping Diameter or Range When Ordering)|
|Temperature Range||—40° to +85°C|
|Approximate Weight||140 g (0.31 lbs)|