Installation of A1 breaker:
Mount breaker on its plate, with the straps aligned
with busbars on the meter-module
Installation of A2 breaker:
Mount breaker on its plate, with the straps aligned
with busbars on the meter-module
• Use the mounting screws included in the breaker
package to fasten the breaker to the plate. Do not
torque mounting screws completely.
• Use the 5/16 diameter bolt, 5/16 spring-washer and
5/16 flat washers, included in the breaker package
to fasten the breaker straps to the module busbars.
Torque to 170 in-lbf.
• Complete the fastening of the breaker to its mount-
ing plate by torquing the mounting screws to 10 in-lbf.
• The breaker is ready to receive load conductors.
• Torque the conductors as per indication on the
breaker itself.
• Use the mounting screws included in the breaker
package to fasten the breaker to the plate. Do not
torque mounting screws completely.
• Use the 5/16 diameter bolt, 5/16 spring-washer and
5/16 flat washers, included in the breaker package
to fasten the breaker straps to the module busbars.
Torque to 170 in-lbf.
• Complete the fastening of the breaker to its mounting
plate by torquing the mounting screws to 10 in-lbf.
Torque to 10 in-lbf
Torque to 10 in-lbf
Torque to 170 in-lbf
Torque to 170 in-lbf
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ABB Inc.
305 Gregson Drive
Cary, NC 27511
United States
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errors or possible lack of information
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• Install the phase-barrier on the load-side.
• The breaker is ready to receive load conductors.
• Torque the conductors as per indication on the
breaker itself.
• Install the terminal cover once the conductors
are installed.
