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Merlin Gerin STR58U-LSIG-800A - Trip Unit 600V 800A 3-Pole

Merlin Gerin
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The Merlin Gerin STR58U-LSIG-800A is a solid-state trip unit designed for use with Masterpact M and MP circuit breaker frames, providing comprehensive protection through LSIG (Long-Time, Short-Time, Instantaneous, and Ground Fault) functions. This trip unit is rated for a maximum voltage of 600V and supports an amperage range of 800A minimum to 800A maximum, operating across 3 poles. The unit weighs 10 lb and is constructed as a programmable module that integrates directly into compatible breaker frames for precise overcurrent and ground fault coordination. It complies with industry standards for solid-state protection systems, ensuring reliable performance in demanding electrical environments. Typical applications include industrial power distribution systems, large commercial facilities, and critical infrastructure where selective coordination and ground fault protection are required.

Key Features & Specifications
  • Type: Solid-state trip unit for Masterpact M and MP frames
  • Voltage Rating: 600V
  • Current Rating: 800A (minimum and maximum)
  • Dimensions: Not specified
  • Standards: Not specified
  • Applications: Industrial power distribution, commercial facilities, critical infrastructure
  • Switch Type: Not specified
  • Configuration: Not specified
  • Coil Voltage Maximum: Not specified
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: Not specified
  • Voltage: 600V
  • Amperage: 800A
  • AIC rating: Not specified
  • Connection: Not specified
  • Poles: 3
  • Protection: Solid State
  • Functions: LSIG - Long-Time, Short-Time, Instantaneous and Ground Fault
  • Frame Size: Not specified
  • Trip Type: Solid state
  • Panel Type: Not specified
  • Breaker Type: Masterpact M, MP
  • 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: 800
  • Amperage Minimum: 800
  • 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 M, MP
  • Current Rating: 800A
  • 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