Issue:
What is the difference between the plug on and bolt on I-line connection?
Product Line:
I-line Panelboards
Resolution:
Refer to attached instruction bulletin 0600DB1004 for detailed explanation of the differences between the bolt-on and plug-on connections.
See instruction bulletin for the specific circuit breaker. On a bolt-on I-line breaker, there are access holes on the breaker where the plug on jaws are located. Remove the hole plugs to provide access to the bus clamps. Tighten the bus clamps to 20 inch pounds or 3 N-m. Replace the hole plugs to cover the bus clamps. This applies to legacy breakers only.
Only the FA/FH, LA/LH, FY QB, QD, QG, and Q4 are available in bolt-on construction. All of the others are obsolete and no longer available.
The bolt-on option cannot field installed. For the factory installed option, the 3rd character in the part number must be the letters below.
.
It has a clamp on the I-Line jaws which enables it to meet specs calling for bolted connections.
There is a 20% adder to the price of the breaker for this option. Bolt-on I-Line breakers will fit into regular I-line interiors with no modifications needed.
What is the difference between the plug on and bolt on I-line connection?
Product Line:
I-line Panelboards
Resolution:
Refer to attached instruction bulletin 0600DB1004 for detailed explanation of the differences between the bolt-on and plug-on connections.
See instruction bulletin for the specific circuit breaker. On a bolt-on I-line breaker, there are access holes on the breaker where the plug on jaws are located. Remove the hole plugs to provide access to the bus clamps. Tighten the bus clamps to 20 inch pounds or 3 N-m. Replace the hole plugs to cover the bus clamps. This applies to legacy breakers only.
Only the FA/FH, LA/LH, FY QB, QD, QG, and Q4 are available in bolt-on construction. All of the others are obsolete and no longer available.
The bolt-on option cannot field installed. For the factory installed option, the 3rd character in the part number must be the letters below.
| Breaker Frame | Suffix |
| QB, QD, and QG | E |
| FA, FH, LA, LH, FY, and Q4 | B |
It has a clamp on the I-Line jaws which enables it to meet specs calling for bolted connections.
There is a 20% adder to the price of the breaker for this option. Bolt-on I-Line breakers will fit into regular I-line interiors with no modifications needed.
Released for: Schneider Electric Canada
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