Built for industrial power distribution, the Siemens CQD360 delivers reliable thermal-magnetic protection in a compact footprint. This 60-amp, 3-pole breaker is part of the SENTRON BQD/CQD frame group, offering long-time and instantaneous trip functions. Installation is highly adaptable, as the unit mounts onto standard DIN rails or fits seamlessly into Siemens P1, P2, and P3 panelboards. Featuring a 14 kAIC rating at 480Y/277VAC, this breaker is HACR and reverse feed rated for flexibility.
What is the difference between Siemens CQD and BQD circuit breakers?
Both series share the same 1-inch pole spacing and trip characteristics, but their mounting methods differ. The CQD360 is designed for standard DIN rail mounting, whereas the BQD series is built for bolt-on panelboard installations.
Where can I install the CQD360 circuit breaker?
This feed-thru breaker mounts directly onto standard 35mm DIN rails. It is frequently installed in standalone DIN rail enclosures, OEM machine control panels, and compatible Siemens P1, P2, and P3 panelboards.
Is the Siemens CQD360 suitable for reverse feed applications?
Yes, CQD frame molded case circuit breakers are UL Listed for reverse feeding. This provides additional wiring flexibility when designing control panels and specialized distribution setups.
Are line and load lugs included with this breaker?
Yes, the CQD360 features a cable-in, cable-out feed-thru design and comes factory-equipped with standard lugs on both the line and load terminals.
Can I add auxiliary switches or shunt trips to the CQD360?
Yes, the CQD frame accommodates operational devices like shunt trips, auxiliary switches, and alarm switches. These internal add-on modules are field-installable and mount on the left side of the breaker.
Is this 60A circuit breaker HACR rated?
Yes, the 3-pole CQD360 carries an HACR rating. It is certified for use in group motor protection for heating, air conditioning, and refrigeration equipment.
Can the CQD360 be utilized in direct current (DC) systems?
Yes, in addition to its standard AC voltage ratings, this thermal magnetic breaker is rated for DC applications up to 125/250VDC, offering a 14kA interrupting capacity for DC loads.
Is this breaker rated for switch duty (SWD) or high-intensity discharge (HID) lighting?
No. In the Siemens CQD and BQD families, SWD ratings are limited to 15A and 20A single-pole breakers, while HID ratings apply only to single-pole breakers up to 50A. This 60A 3-pole breaker does not carry those specific lighting certifications.
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