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Home > LV Circuit Breakers > UL 489 MCCB

Overview

UL 489 MCCB


New series Susol Molded Case Circuit Breakers with thermal-magnetic or electronic trip unit (800~1200AF) are designed to protect low voltage electrical systems from damage caused by overloads and short circuits.

Compact design saves space. UL 489 listed MCCBs are designed and tested in accordance with Underwriters Laboratories, Inc. and they are rated from 15 through 1200 amperes in seven frame sizes.

  • Features
  • Characteristics
  • Ratings
Features
● Simplified product range
   - AF: 100AF, 150AF, 250AF, 400AF, 600AF, 800AF, 1200AF
   - Ampere Range: 15A ~ 1200A
● High performance
● Icu: Max 100kA @480VAC
● Various accessories
● Extended rotary handle
● Locking devices
● Various trip units
   - FTU: Fixed thermal & Magnetic unit
   - FMU: Adjustable thermal, Fixed magnetic unit
   - ATU: Adjustable thermal & magnetic unit
   - MCS: Molded Case Switch
   - MCP: Motor Circuit Protector
● Ultimate breaking capacity (kA rms)
● World class standards with UL489
● Electrical auxiliaries
● Flange handle
● Variable Depth Mechanism
 

Characteristics
● For power distribution
● High breaking capacity
● Optimum coordination technique (Cascading & discrimination)
● Powerful engineering tools
● For protection of motor & its control device
● Optimal overload protection
● Guaranteed Short Circuit Current Ratings
● For controlling and disconnecting circuits
● For extensive applications
● Wide range of optimized auxiliaries and accessories

Ratings
UL 489 Listed Circuit Breakers Family

● UTE100
   - In 15~100A
   - Interrupting Capacity: 25kA(E), 35kA(N) at 480Vac
● UTS150
   - In 40~150A
   - Interrupting Capacity: 35kA(N), 65kA(H), 100kA(L) at 480Vac
● UTS250
   - In 150~250A
   - Interrupting Capacity: 35kA(N), 65kA(H), 100kA(L) at 480Vac
● UTS400
   - In 250~400A
   - Interrupting Capacity: 35kA(N), 65kA(H), 100kA(L) at 480Vac
● UTS600
   - In 500~600A
   - Interrupting Capacity: 35kA(N), 65kA(H), 100kA(L) at 480Vac
● UTS800
   - In 400~800A
   - Interrupting Capacity: 35kA(N), 65kA(H), 100kA(L) at 480Vac
● UTS1200
   - In 800~1200A
   - Interrupting Capacity: 35kA(N), 65kA(H), 50kA(P), 100kA(L) at 480Vac