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MBK150 | Siemens 150A Type SL transfer switch main breaker with EQ frame and NEMA 3R enclosure
- Regular price
- $144.00
- Sale price
- $144.00
- Regular price
-
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Product Description P/N: MBK150
Description
The Siemens MBK150 is a main circuit breaker designed for integration with Type SL transfer switches, providing dependable electrical protection and distribution. The part number MBK150 operates at 120/240 VAC with a 150 A rating and utilizes a thermal magnetic trip mechanism for reliable overcurrent response. Its NEMA 3R steel enclosure and bolt-on mounting make it suitable for both indoor and outdoor installations.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | MBK150 |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type SL Transfer Switch |
| Series | MBK |
| Voltage Rating | 120/240 VAC |
| Amperage Rating | 150 A |
| Interrupt Rating | 22 kA |
| Frame | EQ |
| Trip Type | Thermal Magnetic |
| Number of Poles | 1 |
| Phase | 3 |
| Enclosure Type | NEMA 3R |
| Mounting Type | Bolt-On |
| Material | Steel |
| Dimensions | 10 in L × 22 in W × 25 in H |
| Application | Main breaker for Type SL transfer switches |
Information About MBK150
The MBK150 is a Siemens main breaker assembly engineered for use within the MBK series of Type SL transfer switch systems. Built on the EQ frame platform, it features a durable steel construction designed to withstand demanding installation environments. The device integrates seamlessly with compatible Siemens transfer switches, offering straightforward bolt-on mounting for secure mechanical and electrical connectivity. It is commonly used in power distribution systems requiring a main disconnect with thermal magnetic trip protection for residential, commercial, and light industrial applications.
Key Features:
- 150 A rating: Supports moderate-load distribution in transfer switch systems.
- Thermal magnetic trip: Provides overload and short-circuit protection in a single device.
- 22 kA interrupt rating: Handles high fault levels for enhanced electrical safety.
- EQ frame construction: Ensures compatibility with Siemens Type SL transfer equipment.
- NEMA 3R enclosure: Suitable for outdoor or exposed installations requiring weather resistance.
- Bolt-on mounting: Allows secure installation and reliable mechanical fastening.
- Durable steel build: Withstands wear and environmental exposure for long-term operation.
- Compact dimensions: Sized at 10" × 22" × 25" for integration into various switch assemblies.
The MBK150 delivers the reliability and precision required for main breaker functionality in transfer switch applications.
Description
The Siemens MBK150 is a main circuit breaker designed for integration with Type SL transfer switches, providing dependable electrical protection and distribution. The part number MBK150 operates at 120/240 VAC with a 150 A rating and utilizes a thermal magnetic trip mechanism for reliable overcurrent response. Its NEMA 3R steel enclosure and bolt-on mounting make it suitable for both indoor and outdoor installations.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | MBK150 |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type SL Transfer Switch |
| Series | MBK |
| Voltage Rating | 120/240 VAC |
| Amperage Rating | 150 A |
| Interrupt Rating | 22 kA |
| Frame | EQ |
| Trip Type | Thermal Magnetic |
| Number of Poles | 1 |
| Phase | 3 |
| Enclosure Type | NEMA 3R |
| Mounting Type | Bolt-On |
| Material | Steel |
| Dimensions | 10 in L × 22 in W × 25 in H |
| Application | Main breaker for Type SL transfer switches |
Information About MBK150
The MBK150 is a Siemens main breaker assembly engineered for use within the MBK series of Type SL transfer switch systems. Built on the EQ frame platform, it features a durable steel construction designed to withstand demanding installation environments. The device integrates seamlessly with compatible Siemens transfer switches, offering straightforward bolt-on mounting for secure mechanical and electrical connectivity. It is commonly used in power distribution systems requiring a main disconnect with thermal magnetic trip protection for residential, commercial, and light industrial applications.
Key Features:
- 150 A rating: Supports moderate-load distribution in transfer switch systems.
- Thermal magnetic trip: Provides overload and short-circuit protection in a single device.
- 22 kA interrupt rating: Handles high fault levels for enhanced electrical safety.
- EQ frame construction: Ensures compatibility with Siemens Type SL transfer equipment.
- NEMA 3R enclosure: Suitable for outdoor or exposed installations requiring weather resistance.
- Bolt-on mounting: Allows secure installation and reliable mechanical fastening.
- Durable steel build: Withstands wear and environmental exposure for long-term operation.
- Compact dimensions: Sized at 10" × 22" × 25" for integration into various switch assemblies.
The MBK150 delivers the reliability and precision required for main breaker functionality in transfer switch applications.