MA11028 | Square D MA Series 48VDC Shunt Trip for Molded Case Circuit Breakers
Square D · Circuit Breakers & Protection
Description The Square D MA11028 is a shunt trip accessory designed to provide remote electrical tripping capability for compatible molded case circuit breakers. Operating at 48 VDC, this device allows a breaker to be tripped electrically from an external control signal. It is intended for use in safety, emergency shutdown, and control system applications. Technical Specifications Condition New/Never Used Surplus Brand Square D Category Circuit Protection Accessories Part Number MA11028 Subcategory Shunt Trips Series MA Product Type Shunt Trip Accessory Operating Voltage 48 VDC Compatible Frame Types MA, MAF, MAL, MAP, MH, MHF, MHL, MHP For Use With Square D MA and MH Series Circuit Breakers Function Remote Electrical Trip Control Type DC Actuated Application Emergency Shutdown / Remote Trip Weight 0.5 lb (approx.) Information About MA11028 The MA11028 is part of Square D’s MA series of circuit breaker accessories, engineered to enhance control and safety functionality in power distribution systems. This shunt trip is designed for integration with multiple Square D breaker frame types, including MA, MAF, MAL, MAP, MH, MHF, MHL, and MHP. When energized, it mechanically actuates the breaker’s trip mechanism to open the circuit independently of overload conditions. Built for reliable operation in DC control circuits, the MA11028 supports coordinated system shutdown and remote trip requirements. Key Features: 48 VDC Operating Voltage: Designed for compatibility with DC control and safety circuits. Remote Trip Functionality: Enables electrical tripping of the circuit breaker from an external signal. MA Series Accessory: Engineered specifically for Square D MA-family breakers. Wide Frame Compatibility: Supports multiple breaker frame types within the MA and MH families. Safety System Integration: Suitable for emergency stop and protective shutdown applications. Internal Breaker Mounting: Installs directly within the breaker assembly. The MA11028 delivers the reliability and precision required for remote circuit breaker trip control in commercial and industrial power systems.
Brand: Square D · Category: Circuit Breakers & Protection
Key features
- 48 VDC Operating Voltage: Designed for compatibility with DC control and safety circuits.
- Remote Trip Functionality: Enables electrical tripping of the circuit breaker from an external signal.
- MA Series Accessory: Engineered specifically for Square D MA-family breakers.
- Wide Frame Compatibility: Supports multiple breaker frame types within the MA and MH families.
- Safety System Integration: Suitable for emergency stop and protective shutdown applications.
- Internal Breaker Mounting: Installs directly within the breaker assembly.
Specifications
| Manufacturer part number | MA11028 |
|---|---|
| Condition | New/Never Used Surplus |
| Brand | Square D |
| Category | Circuit Protection Accessories |
| Part Number | MA11028 |
| Subcategory | Shunt Trips |
| Series | MA |
| Product Type | Shunt Trip Accessory |
| Operating Voltage | 48 VDC |
| Compatible Frame Types | MA, MAF, MAL, MAP, MH, MHF, MHL, MHP |
| For Use With | Square D MA and MH Series Circuit Breakers |
| Function | Remote Electrical Trip |
| Control Type | DC Actuated |
| Application | Emergency Shutdown / Remote Trip |
| Weight | 0.5 lb (approx.) |
| Product type | Shunt Trips |
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