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Merlin Gerin STR58U-LSIG-3000A - Solid-State Trip Unit 600V 3000A

Merlin Gerin
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Merlin Gerin STR58U-LSIG-3000A is a solid-state trip unit designed for the Masterpact family of circuit breakers, providing comprehensive protection through LSIG functions (Long-Time, Short-Time, Instantaneous, and Ground Fault). This trip unit operates at a voltage rating of 600V and supports a current range from 3000A minimum to 3000A maximum, with 3 poles for three-phase applications. The unit weighs 10 lb and is constructed with solid-state protection technology, compatible with M and MP frame sizes. It complies with industry standards for industrial circuit breaker protection systems. Typical applications include protecting electrical distribution systems in industrial facilities, commercial buildings, and critical power infrastructure.

Key Features & Specifications
  • Type: Solid-state trip unit for Masterpact circuit breakers
  • Voltage Rating: 600V
  • Current Rating: 3000A (minimum and maximum)
  • Dimensions: Not specified
  • Standards: Industry standard for industrial circuit breakers
  • Applications: Industrial electrical distribution, commercial power systems
  • Switch Type: Not specified
  • Configuration: Not specified
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 600V
  • Amperage: 3000A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: LSIG (Long-Time, Short-Time, Instantaneous, Ground Fault)
  • Functions: LSIG
  • Frame Size: Masterpact M, MP
  • Trip Type: Solid state
  • Panel Type: Not specified
  • Breaker Type: Masterpact
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: Not specified
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: Not specified
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 3000A
  • Amperage Minimum: 3000A
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: Not specified
  • Terminal Connection: Not specified
  • Frequency Rating: Not specified
  • Phase Connection: Not specified
  • Standards: Not specified
  • Compatible Frames: M, MP
  • Installation Type: Not specified
  • Item QTY: Not specified
  • Nema Starter Size: Not specified
  • Breaker Frame: Masterpact
  • Current Rating: 3000A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: Not specified
  • GTIN: Not specified