Powell CBM - Table N Digital Voltage Input; Table O Internal Environment Monitoring; Table P Hall Effect Sensor; Table Q Optical Wireless Communication

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Specications

Circuit Breaker Monitor

01.4IB.48070A

Table N Digital Voltage Input

Maximum Operating Voltages Range +/-407VDC

Operating Characteristics Wet/dry. Self-excited contact monitoring input

Isolation 2.5VAC for 1 minute

Leakage Current (when monitored contacts are

open)

Less than 250uA

Response Time Less than 0.5ms

Applications Monitoring: "52A" contact

"LCS" contact

Table O Internal Environment Monitoring

Measurement CBM Internal Temperature

Temperature -40°C to 85°C +/-2°C

Table P Hall Effect Sensor

Supply Voltage 5VDC

Measurement Range Min +/-0.25A

Max +/- 20.0A

Measurement Resolution 0.05A

Measurement Accuracy +/-5% of FSD

Operating Temperature Range -40°C to 70°C

Table Q Optical Wireless Communication

Wavelength 850nm (Infrared)

Baud Rate 0.5Mbps

Range 24 inches with direct line of sight

Viewing Angle 30 degrees

Table R Fiber Optic Temperature Measurement

Monitoring 3 point temperature measurement using BriteSpot® G2.1 module

Application Monitors the operational temperatures of the sliding contacts

Table S LED

Type LED - Red, Green, & Yellow as both solid and flashing (0.5Hz) colors

Application Used to indicate state of circuit breaker and CBM unit