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BQD320 | Siemens 3 Pole Circuit Breaker
- Regular price
- $172.00
- Sale price
- $172.00
- Regular price
-
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Product Description P/N: BQD320
Description
The Siemens BQD320 is a compact, bolt-on molded case circuit breaker designed for three-phase distribution systems. Rated at 20A with a voltage capability of 240 VAC / 480Y/277 VAC, it provides reliable thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. With a 14 kA interrupt rating at 480Y/277 VAC, this breaker is UL listed and CSA certified for use in commercial and industrial load centers.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | BQD320 |
| Subcategory | Molded Case Circuit Breaker |
| Family | BQD Series |
| Type | BQD |
| Voltage Rating | 240 VAC / 480Y/277 VAC |
| Amperage Rating | 20 A |
| Phase | 3-Phase |
| Poles | 3 |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time & Instantaneous |
| AIC Rating | 14 kA @ 480Y/277 VAC |
| Connection Style | Bolt-On |
| Certification | UL Listed, CSA Certified |
Information About BQD320
The BQD320 is part of Siemens’ BQD Series, a family of bolt-on breakers designed for efficient installation and dependable performance in panelboards and load centers. Its three-pole design supports balanced protection and switching in three-phase systems, making it suitable for a wide range of commercial and light industrial applications. The breaker’s thermal-magnetic trip unit provides long-time overload protection and instantaneous response to short-circuit events, forming a comprehensive LI protection profile. With a 14 kA interrupting capacity at 480Y/277 VAC and durable molded case construction, the BQD320 ensures safe, long-term operation in demanding electrical environments.
Key Features:
- Thermal-magnetic trip: Provides overload (thermal) and instantaneous short-circuit (magnetic) protection.
- LI trip functions: Long-Time and Instantaneous protection for standard branch circuits.
- 20A, 240/480Y/277V rating: Suitable for small three-phase loads in commercial settings.
- 14 kA interrupt rating: Handles significant fault currents safely.
- Bolt-on connection: Ensures secure mounting in compatible Siemens panelboards.
- Three-pole configuration: Supports full three-phase circuit protection.
- Compact molded case design: Ideal for dense load center or panelboard layouts.
- UL Listed and CSA Certified: Meets recognized North American safety standards.
The BQD320 delivers the reliability and precision required for safe and efficient protection of three-phase electrical systems.
Description
The Siemens BQD320 is a compact, bolt-on molded case circuit breaker designed for three-phase distribution systems. Rated at 20A with a voltage capability of 240 VAC / 480Y/277 VAC, it provides reliable thermal-magnetic protection with LI (Long-Time and Instantaneous) trip functions. With a 14 kA interrupt rating at 480Y/277 VAC, this breaker is UL listed and CSA certified for use in commercial and industrial load centers.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | BQD320 |
| Subcategory | Molded Case Circuit Breaker |
| Family | BQD Series |
| Type | BQD |
| Voltage Rating | 240 VAC / 480Y/277 VAC |
| Amperage Rating | 20 A |
| Phase | 3-Phase |
| Poles | 3 |
| Protection Type | Thermal Magnetic |
| Trip Functions | LI – Long-Time & Instantaneous |
| AIC Rating | 14 kA @ 480Y/277 VAC |
| Connection Style | Bolt-On |
| Certification | UL Listed, CSA Certified |
Information About BQD320
The BQD320 is part of Siemens’ BQD Series, a family of bolt-on breakers designed for efficient installation and dependable performance in panelboards and load centers. Its three-pole design supports balanced protection and switching in three-phase systems, making it suitable for a wide range of commercial and light industrial applications. The breaker’s thermal-magnetic trip unit provides long-time overload protection and instantaneous response to short-circuit events, forming a comprehensive LI protection profile. With a 14 kA interrupting capacity at 480Y/277 VAC and durable molded case construction, the BQD320 ensures safe, long-term operation in demanding electrical environments.
Key Features:
- Thermal-magnetic trip: Provides overload (thermal) and instantaneous short-circuit (magnetic) protection.
- LI trip functions: Long-Time and Instantaneous protection for standard branch circuits.
- 20A, 240/480Y/277V rating: Suitable for small three-phase loads in commercial settings.
- 14 kA interrupt rating: Handles significant fault currents safely.
- Bolt-on connection: Ensures secure mounting in compatible Siemens panelboards.
- Three-pole configuration: Supports full three-phase circuit protection.
- Compact molded case design: Ideal for dense load center or panelboard layouts.
- UL Listed and CSA Certified: Meets recognized North American safety standards.
The BQD320 delivers the reliability and precision required for safe and efficient protection of three-phase electrical systems.