• • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •  

                                                                              • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • GE SELA36AI0030 Spectra Series Molded Case Circuit Breaker

                                                                                                                                                              Product Overview

                                                                                                                                                              The GE SELA36AI0030 is an E-frame 3-pole molded case circuit breaker (MCCB) under GE Spectra RMS product line, also defined as MAG-Break motor circuit protector. It adopts magnetic-only instantaneous short-circuit protection without thermal overload trip function, designed for industrial motor branch circuit short-circuit isolation and power distribution overcurrent protection. It features high interrupting capacity, current-limiting structure and bolt-on fixed installation, widely deployed in automation control cabinets, motor control centers and power distribution panels as power safety protection spare parts.

                                                                                                                                                              Core Technical Specifications

                                                                                                                                                              1. Electrical Ratings

                                                                                                                                                              • Rated frame current: 30A continuous
                                                                                                                                                              • Poles: 3-pole three-phase
                                                                                                                                                              • Maximum working voltage: 600V AC
                                                                                                                                                              • Interrupting capacity: 65kA @ 480V AC, 100kA @ 240V AC, 25kA @ 600V AC (UL standard)
                                                                                                                                                              • Magnetic trip adjustment range: 43A ~ 415A instantaneous short-circuit trip
                                                                                                                                                              • Trip unit type: Solid-state RMS sensing MAG-Break magnetic-only trip module
                                                                                                                                                              • Connection mode: Bolt-on bus bar mounting, supports reverse feeding

                                                                                                                                                              2. Mechanical & Structural Parameters

                                                                                                                                                              • Frame size: E-frame standard dimension
                                                                                                                                                              • Overall size: 104.7mm(W) × 160.3mm(H) × 85.9mm(D)
                                                                                                                                                              • Net weight: 0.3kg
                                                                                                                                                              • Housing material: Flame-retardant reinforced thermosetting plastic
                                                                                                                                                              • Operation mode: Manual toggle switch with ON/OFF fault trip indicator window

                                                                                                                                                              3. Environmental & Certification

                                                                                                                                                              • Operating temperature: -20°C ~ +60°C
                                                                                                                                                              • Storage temperature: -40°C ~ +85°C
                                                                                                                                                              • Humidity: 5% ~ 95% non-condensing
                                                                                                                                                              • Approvals: UL, CSA, IEC standard certified, NEC motor circuit protection compliant

                                                                                                                                                              Main Functional Features

                                                                                                                                                              1. Short-Circuit Fast Cutoff Protection

                                                                                                                                                                  

                                                                                                                                                                 Current-limiting arc extinction structure instantly breaks high short-circuit current within microseconds, effectively avoiding burnout of inverters, motors, PLC and DCS control modules caused by short-circuit faults.
                                                                                                                                                              2. Motor Circuit Specialized Protection Design

                                                                                                                                                                  

                                                                                                                                                                 Magnetic-only trip scheme matches external motor overload relays or VFD overload protection, eliminates mis-trip caused by motor starting surge current, fully complies with industrial motor branch circuit wiring specifications.
                                                                                                                                                              3. Visual Fault Diagnosis

                                                                                                                                                                  

                                                                                                                                                                 Built-in red trip indicator window; once short-circuit fault triggers disconnection, the indicator pops up to quickly identify fault state without extra detection tools.
                                                                                                                                                              4. Stable Vibration-Resistant Installation

                                                                                                                                                                  

                                                                                                                                                                 Bolt-on rigid bus bar connection avoids loose contact under mechanical vibration of production lines, applicable to harsh workshop environments such as packaging, metallurgy and chemical plants.
                                                                                                                                                              5. Universal Cabinet Compatibility

                                                                                                                                                                  

                                                                                                                                                                 Standard Spectra Series frame size matches GE original distribution panels and third-party integrated control cabinets, convenient for direct replacement of aged old breakers during equipment maintenance.

                                                                                                                                                              Application Scenarios

                                                                                                                                                              Spare circuit protection component for industrial automation control cabinets, motor control centers, pump/fan motor branch circuits, packaging machinery, printing equipment, chemical process DCS power distribution racks and legacy GE power distribution system renovation projects.
                                                                                                                                                               

The structure and details of the product：