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MBK125A | Siemens Type EQ Low Voltage 2-Pole 125A 120/240V Thermal Magnetic Main Breaker Kit
- Regular price
- $120.00
- Sale price
- $120.00
- Regular price
-
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Product Description P/N: MBK125A
Description
The Siemens MBK125A is a molded case main breaker kit designed for low-voltage residential and light commercial panel conversions. Rated for 120/240 VAC operation with a 125-amp capacity, it provides dependable overcurrent protection and system isolation.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | MBK125A |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type EQ Low Voltage |
| Voltage Rating | 120/240 VAC |
| Amperage Rating | 125 A |
| Interrupt Rating | 22 kA @ 240 VAC |
| Trip Type | Thermal Magnetic |
| Number of Poles | 2 |
| Phase | 1 |
| Mounting Type | Bolt-On / Panel |
| Dimensions | 5.6 in L × 4.5 in W × 3.7 in H |
| Application | Main breaker conversion for residential/light commercial panels |
| Breaker Function | Main Disconnect and Overcurrent Protection |
Information About MBK125A
The MBK125A is a main breaker conversion kit developed by Siemens for Type EQ low-voltage panelboard applications. Supporting 125-amp operation at 120/240 VAC, it provides reliable system protection while enabling convenient upgrades or replacements in existing load centers. Its thermal magnetic trip characteristics ensure accurate response to both overloads and short-circuit conditions, helping maintain electrical safety in residential and commercial installations. With a 22 kA interrupt capacity at 240 VAC and a bolt-on/panel mounting configuration, the MBK125A integrates securely into compatible assemblies while offering durable and dependable protection capabilities.
Key Features
- 125-amp main breaker: Supports residential and light commercial panel conversion needs.
- Thermal magnetic trip: Delivers long-time overload and instantaneous short-circuit response.
- 22 kA interrupt rating: Provides strong fault-clearing capability at 240 volts.
- Type EQ compatibility: Designed specifically for Siemens low-voltage panel systems.
- Bolt-on/panel mounting: Ensures secure installation and stable electrical connections.
- Two-pole configuration: Supports single-phase power distribution applications.
- Compact dimensions: Fits standard panel layouts with minimal adjustment.
- Durable molded case construction: Engineered for long-term reliability in service environments.
The MBK125A delivers the reliability and precision required for safe, effective conversion and protection of single-phase low-voltage electrical panels.
Description
The Siemens MBK125A is a molded case main breaker kit designed for low-voltage residential and light commercial panel conversions. Rated for 120/240 VAC operation with a 125-amp capacity, it provides dependable overcurrent protection and system isolation.
Technical Specifications
| Condition | New/Never Used Surplus |
| Brand | Siemens |
| Category | Circuit Breaker |
| Part Number | MBK125A |
| Subcategory | Molded Case Circuit Breaker |
| Type | Type EQ Low Voltage |
| Voltage Rating | 120/240 VAC |
| Amperage Rating | 125 A |
| Interrupt Rating | 22 kA @ 240 VAC |
| Trip Type | Thermal Magnetic |
| Number of Poles | 2 |
| Phase | 1 |
| Mounting Type | Bolt-On / Panel |
| Dimensions | 5.6 in L × 4.5 in W × 3.7 in H |
| Application | Main breaker conversion for residential/light commercial panels |
| Breaker Function | Main Disconnect and Overcurrent Protection |
Information About MBK125A
The MBK125A is a main breaker conversion kit developed by Siemens for Type EQ low-voltage panelboard applications. Supporting 125-amp operation at 120/240 VAC, it provides reliable system protection while enabling convenient upgrades or replacements in existing load centers. Its thermal magnetic trip characteristics ensure accurate response to both overloads and short-circuit conditions, helping maintain electrical safety in residential and commercial installations. With a 22 kA interrupt capacity at 240 VAC and a bolt-on/panel mounting configuration, the MBK125A integrates securely into compatible assemblies while offering durable and dependable protection capabilities.
Key Features
- 125-amp main breaker: Supports residential and light commercial panel conversion needs.
- Thermal magnetic trip: Delivers long-time overload and instantaneous short-circuit response.
- 22 kA interrupt rating: Provides strong fault-clearing capability at 240 volts.
- Type EQ compatibility: Designed specifically for Siemens low-voltage panel systems.
- Bolt-on/panel mounting: Ensures secure installation and stable electrical connections.
- Two-pole configuration: Supports single-phase power distribution applications.
- Compact dimensions: Fits standard panel layouts with minimal adjustment.
- Durable molded case construction: Engineered for long-term reliability in service environments.
The MBK125A delivers the reliability and precision required for safe, effective conversion and protection of single-phase low-voltage electrical panels.