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Home > LV Circuit Breakers > UL 489 MCB

Overview

UL 489 MCB

LSIS UL489 MCB is available in...

. Pole : 1~3 Pole

. Rated current:  1~63A

. Breaking capacity: 10kA @120/240VAC

                                 10kA @480Y/277VAC (1~25A)

Available accessories: AX, AL, SHT, UVT

Ratings and Specifications
 
Performance UL489 MCB
Standard UL489, UL489E(Lug)
Protection Overload, Short circuit
Rated Current 1, 2, 3, 4, 5, 6, 8, 10, 15, 16, 20, 25, 30, 32, 40, 50, 63A
Number of Poles 1P, 2P, 3P
Rated Frequency 50/60Hz
SCCR AC DC
 
1P : 10kA@120/240VAC, 10kA@277VAC (1~25A)
10kA@120/240VAC(30~63A)
2P, 3P : 10kA@240VAC, 480Y/277VAC(1~25A)
10kA@240VAC(30~63A)
1P : 10kA@60VDC
2P, 3P : 10kA@125VDC
Reference Temperature 40℃
Normal Ambient Temperature -5 ~ 40℃
Tripping curve  B, C, D, K curve
Trip Type Thermal Magnetic 
Type of Terminals Terminal with stirrup
Terminal Size 14/4AWG
Tightening Torque 3.9 Nm (35 lbf-in)
Installation Mounting on 35mm din rail
Dimensions (WxHxD)
Protection Degree IP20
Accessories AX-HU, AL-HU, SHT-HU, UVT-HU
Relative Humidity 45-85% RH
Electrical Endurance 6,000
Max Switching frequency (Time per hour) 360
Approvals UL, CB, ABS