CME420-D-2 Bender

• Meets or exceeds requirements for 

NEC 250.21(B) and CEC 10-106(2), as 

well as the upcoming 2014 requirement

 of NEC 250.167(A)

• Ground fault detection via insulation 

monitoring for ungrounded AC/DC 

systems, single-phase or three-phase

• Works on systems up to 793 VAC / 650 

VDC

• Voltage ranges extendable up to 7200 

VAC / 1760 VDC with voltage coupler 

modules

• Two separate adjustable response 

values, 1 kΩ - 10 MΩ

• Advanced measuring principle which 

detects both AC and DC faults, symmetrical

 faults, automatically adapts 

to high system leakage capacitances

• Info button to display device settings 

and system leakage capacitance

• Self monitoring

• Automatic self-test setting

• Connection for external metering

• Built-in and external test/reset

• Two separate alarms with two voltagefree

 SPDT contacts

• Normally energized (failsafe) or deenergized

 (non-failsafe) operation

• Backlit LCD display

• RS-485 interface