CQD330
Rated at 30 A and designed with three poles, the CQD330 functions efficiently in three-phase systems. This model operates at 277/480 VAC and provides an interrupt rating of up to 14 kA at 480 VAC. The
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Siemens CQD Series
The Siemens CQD Series circuit breakers are compact breakers with between 1 and 3 poles and 1-inch pole widths. They share many of their features with the Siemens BQD Series circuit breakers. Standard CQD Series circuit breakers are available with DC voltage ratings of 125 or 125/250 Volts DC and AC voltage ratings of 120, 240, 277, or 480/277 Volts AC at 50 or 60 Hertz. CQD6 circuit breakers (CSA only) are available with AC voltage ratings of 600/347 Volts AC at 50 or 60 Hertz. CQD Series circuit breakers can be mounted on DIN rails or bolted directly onto surfaces. They can be used in OEM-designed equipment.
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Browse CQD Series
Browse available units in our catalog of CQD Series.
CQD270
The CQD270 model belongs to the CQD Series of thermal magnetic circuit breakers. It includes a magnetic contactor and supports a feed-thru connection type. Operating with an AIC rating of 14 kA at 480
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CQD340
The CQD340 features a three-pole configuration and utilizes thermal-magnetic trip mechanisms for effective circuit protection. It achieves a maximum interrupting capacity of 14 kA at 480V AC and can h
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CQD320
This molded case circuit breaker functions seamlessly within a three-phase system, rated for nominal frequencies of 50/60 Hz. It is intended for DIN rail mounting and includes a manual toggle for oper
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CQD3100
Rated for a frequency of 50/60 Hz, this circuit breaker includes a thermal-magnetic trip mechanism and offers an interrupting capacity of 14 kA. Its toggle actuator enhances user control, and it accom
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CQD315
This circuit breaker offers three poles and a notable AIC rating of 14 KA at 480 V. It employs thermal magnetic protection for long-time and instantaneous tripping functions. The CQD315 has feed-thru
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CQD370
This circuit breaker features three poles and utilizes thermal magnetic tripping technology for reliable performance. The frame can support a maximum rating of 100 A and is designed for DIN rail mount
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CQD280
Designed with two poles, this breaker has a frame size rated at 100 A and can interrupt currents up to 14 kAIC at 480/277 VAC. It utilizes a thermal-magnetic trip mechanism and is suitable for frequen
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CQD380
This circuit breaker consists of three poles and features thermal-magnetic trip technology. It offers both long-time and instantaneous trip functions, ensuring effective overload and short-circuit pro
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CQD360
The CQD360 breaker features a DIN rail mount for easy installation and includes three poles. Its thermal magnetic protection system allows for both long-time and instantaneous trip functions. It can h
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