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DIHOOL Industrial Miniature Circuit Breaker 3 Pole 30 Amp 277/480V AC, Thermal Magnetic Trip,AC Disconnect Switch MCB

4.3 (5) Write Review
Free shipping on orders over $29.99

$29.88

$ 13 .99 $13.99

In Stock

1.LensColor:30 Amp


About this item

  • Function: Thermal Magnetic Trip,circuit overload protection,isolation circuit,short circuit protection
  • Fast Tripping:85% silver contacts,2mm thickness arc cute,up to 0.1-0.2s Triping time
  • Breaking Capacity:25kA,Voltage:277V/480VAC suitable for 120V/240VAC circuit,Applicable to US 110V and 220V voltage,Intallation type: screws
  • Compared with the DZ47 circuit breaker：the place at the wiring point of the DZ47 breaker is easy to burning and this defect poses a safety hazard. but this DHM1 circuit breaker uses screws and SC terminal to wire to make the resistance lower and more stable at the wiring point
  • MINI Size:144MM x 108MM x 203MM


Product Description

AC circuit breaker
Rated Current 30A/60A
Poles 3P
Rated Voltage Ue AC277V/480V
Insulation Volage Ui 800V
Impulse Withstand Voltage Uimp 8kV
Rated Breaking Capacity(lcs) 25kA
Electrical Life 1000
Mechanical Life 2000
Installation Panel Screw Installation
Ambient Temperature -5°C ~ +70°C
Curve Code A-Curve (8-12In)
Terminal Connection Type Hexagon Screw
Tightening Torque 5.0N.m
International Standard IEC60947-2
Arcing Distance ≤50MM
Use Category A
AC circuit breaker
AC circuit breaker
AC circuit breaker
AC circuit breaker
AC circuit breaker

Michael
Reviewed in the United States on March 28, 2025
It states that it's an industrial miniature circuit breaker, but it is still quite beefy. It is a 3 pole breaker which can be used in a 3 phase system, but it appears to also be rated for use in a single phase 120/240 system also when looking at the specs. It has a red trip indicator and a really strong trip lever. All in all it appears well built and the price is not to bad either.
Zach
Reviewed in the United States on March 27, 2025
Does not feel like it's cheap. Going to be using on a backup power system. Going to do a follow up if I notice anything after it's up and running.
Eddy
Reviewed in the United States on March 25, 2025
This 3-pole circuit breaker rated at 30 amps (there’s also a 60A available) appears incredibly well made: Deep well connectors, terminal posts are recessed (safety feature), with added insulating skirts included w/ the kit (refer to photos), silver plated copper connect (which is super difficult to find these days) and the wiring, 10AWG in my case, fit well & the ‘lugs’ (also included (6)) crimp well and as with everything else, quality. It also includes a tightening allen tool, 4 mounting screws (and nuts), and some heat shrink wrap (6). The breaker turns off and on with a good degree of tactile resistance. There’s a test indicator as well.I deal with electrical equipment on a regular basis and this item reminds me of quality craftsmanship from a bygone era. Highly recommend, without reservations, this 3-pole breaker. Definitely 5 out of 5 stars.
Koritonics
Reviewed in the United States on March 19, 2025
Very solidly built. The switch is difficult to move, which is good for these kinds of safety devices. Moving from On/Off is solid and firm. The mounting screws are definitely long enough to go into most materials to have a nice solid grip to hold it in place.
MGG
Reviewed in the United States on April 12, 2025
This is a very solidly made, industrial quality, 3-pole breaker intended for industrial appliance applications, rated at 277 to 480 v A/C. It includes ring terminals and mounting hardware, and requires professional level installation skills. Then entire unit is very solidly made of high quality materials.