.svg?v=180920048278408794651747892223){kind=small}
B320 | Siemens 20A 3-pole 240V bolt-on molded case circuit breaker
- Regular price
- $104.00
- Sale price
- $104.00
- Regular price
-
Couldn't load pickup availability
Do you need help?
Product Description P/N: B320
Description
The Siemens B320 is a 20 A molded case circuit breaker designed for low-voltage three-phase applications at 240 VAC. This Siemens part number features a bolt-on connection and a thermal magnetic trip unit for dependable overload and short-circuit protection. Compact in size, the B320 supports reliable panel-mounted installation in commercial and industrial electrical systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | B320 |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type BL Low Voltage |
| Voltage Rating | 240 VAC |
| Amperage Rating | 20 A |
| Frequency Rating | 60 Hz |
| Interrupt Rating | 10 kA |
| Trip Type | Thermal Magnetic |
| Number of Poles | 3 |
| Phase | 3 |
| Actuator Type | Toggle |
| Connection Type | Bolt-On |
| Wire Size | 14–10 AWG / 12–10 AWG |
| Mounting Type | Panel |
| Temperature Rating | 40°C |
| Dimensions | 4 in L × 3 in W × 3 in H |
| Housing Material | Molded case |
| Application | Commercial and industrial low-voltage distribution |
Information About B320
The B320 is part of Siemens’ Type BL Low Voltage molded case breaker series, engineered for durable performance in distribution panels. Its construction includes a molded housing, toggle actuator, and bolt-on terminals, ensuring secure mechanical installation and stable electrical connectivity. The breaker integrates smoothly with Siemens panelboards and distribution equipment using BL-series mounting patterns and standard wire ranges. Designed for three-phase circuits, it employs proven thermal magnetic trip technology to manage overload and fault events in commercial, industrial, and facility power distribution environments.
Key Features:
- 20 A rating: Supports light-to-medium three-phase loads.
- 240 VAC operation: Suitable for standard low-voltage distribution systems.
- Bolt-on connection: Ensures secure fastening and reliable panelboard integration.
- Thermal magnetic trip: Provides overload and instantaneous fault protection.
- 10 kA interrupt rating: Supports safe fault clearing at 240 V.
- 3-pole configuration: Ideal for three-phase load applications.
- Toggle actuator: Enables straightforward manual switching.
- Compact dimensions: Designed for efficient panelboard space utilization.
The B320 delivers the reliability and precision required for molded case circuit protection in low-voltage distribution systems.
Description
The Siemens B320 is a 20 A molded case circuit breaker designed for low-voltage three-phase applications at 240 VAC. This Siemens part number features a bolt-on connection and a thermal magnetic trip unit for dependable overload and short-circuit protection. Compact in size, the B320 supports reliable panel-mounted installation in commercial and industrial electrical systems.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | B320 |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type BL Low Voltage |
| Voltage Rating | 240 VAC |
| Amperage Rating | 20 A |
| Frequency Rating | 60 Hz |
| Interrupt Rating | 10 kA |
| Trip Type | Thermal Magnetic |
| Number of Poles | 3 |
| Phase | 3 |
| Actuator Type | Toggle |
| Connection Type | Bolt-On |
| Wire Size | 14–10 AWG / 12–10 AWG |
| Mounting Type | Panel |
| Temperature Rating | 40°C |
| Dimensions | 4 in L × 3 in W × 3 in H |
| Housing Material | Molded case |
| Application | Commercial and industrial low-voltage distribution |
Information About B320
The B320 is part of Siemens’ Type BL Low Voltage molded case breaker series, engineered for durable performance in distribution panels. Its construction includes a molded housing, toggle actuator, and bolt-on terminals, ensuring secure mechanical installation and stable electrical connectivity. The breaker integrates smoothly with Siemens panelboards and distribution equipment using BL-series mounting patterns and standard wire ranges. Designed for three-phase circuits, it employs proven thermal magnetic trip technology to manage overload and fault events in commercial, industrial, and facility power distribution environments.
Key Features:
- 20 A rating: Supports light-to-medium three-phase loads.
- 240 VAC operation: Suitable for standard low-voltage distribution systems.
- Bolt-on connection: Ensures secure fastening and reliable panelboard integration.
- Thermal magnetic trip: Provides overload and instantaneous fault protection.
- 10 kA interrupt rating: Supports safe fault clearing at 240 V.
- 3-pole configuration: Ideal for three-phase load applications.
- Toggle actuator: Enables straightforward manual switching.
- Compact dimensions: Designed for efficient panelboard space utilization.
The B320 delivers the reliability and precision required for molded case circuit protection in low-voltage distribution systems.