72A-1898 Rev. A 11/01 H-1
Monday, November 26, 2001 1:09 pm
Appendix H. TDR9000
™
Circuit Breaker Test
System Specifications
This appendix details specifications for the TDR9000 and its operations
in the following areas:
• OCB/Motion module
• EHV module
• Event module
• System module
• Physical
• Environmental
OCB/Motion
Table H.1 lists the characteristics of the OCB/Motion module.
Table H.1 OCB/Motion Module
Characteristic Description
OCB
Main Contact Channels 3 channels with 1 break per phase
Contact Sense Voltage for
Main Contact Timing
48/15/7.5 VDC
(Modified by pre-insertion resistor value)
Contact Sense Voltage for
Resistor Switch Timing
48/15/7.5 VDC
(Modified by pre-insertion resistor value)
Close and Open Timing
Resolution
100 microseconds
Close and Open Timing
Accuracy
±
100 microseconds
Minimum Contact Bounce
Measurement
60 microseconds
Pre-Insertion Resistor
Value Range
10 - 400 Ohms or 300 - 7000 Ohms