The Siemens B135HH is a 1 Pole thermal magnetic molded case circuit breaker with a current rating of 35 Amps and a voltage rating of 120/240VAC. It has an interrupting rating of 65kAIC at 120VAC. The B135HH has a bolt-on connection type and includes long time and instantaneous trip functions.
Which panelboards are compatible with the Siemens B135HH circuit breaker?
The B135HH is designed for use in Siemens P1 panelboards. It features a bolt-on connection for secure installation in these commercial distribution panels.
Is the B135HH suitable for high fault current applications?
Yes, with an interrupting rating of 65kAIC at 120VAC, this HBL-type breaker is engineered to safely handle high fault currents in demanding commercial and industrial electrical distribution systems.
Can I install the B135HH in a standard residential load center?
No, the B135HH is a bolt-on circuit breaker designed specifically for commercial panelboards like the Siemens P1 series. It will not fit in standard plug-on residential load centers.
What does the "HH" suffix indicate in the B135HH catalog number?
In Siemens BL series nomenclature, the "HH" suffix designates an HBL type breaker, which features an extra-high interrupting capacity of 65kAIC, compared to standard 10kAIC (BL) or 22kAIC (BLH) versions.
What type of trip mechanism does the B135HH utilize?
It uses a thermal-magnetic trip unit, which provides both a time-delayed thermal response for continuous overloads and an instantaneous magnetic response for short-circuit protection.
What wire sizes are accepted by the lugs on the B135HH breaker?
The standard lugs for this 35-amp breaker accept #14 to #6 AWG copper wire or #12 to #6 AWG aluminum wire. Always verify with the specific lug markings and local electrical codes during installation.
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