UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
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UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
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UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
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UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
Home Din-Rail Mounted Products UL Listed MCB UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America
Chint NXM MCCB 160A 250A 400A 630A 800A 1000A 1250A 1600A NXM-125S NXM-250S NXM-400S NXM-630S CHNT Molded Case Circuit Breaker
Chint NXM MCCB 160A 250A 400A 630A 800A 1000A 1250A 1600A NXM-125S NXM-250S NXM-400S NXM-630S CHNT Molded Case Circuit Breaker
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Chint NWC6 Dry Low-voltage Shunt Capacitor
Chint NWC6 Dry Low-voltage Shunt Capacitor

UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America

BCD Curve:C
Type:MCB
Brand Name:HIITI brand
Place of Origin:China
Model Number:HCB1
Rated Frequency (Hz):50/60Hz
Protection:LSIG
Breaking Capacity:10kA
Rated Voltage:120V, 240V
Approval:UL489
Poles
Rated Current
SKU: 1601007150089 Category: UL Listed MCB
  • Description
  • Additional information
  • Technical Datasheet & Downloads
  • Technical FAQ & Selection Guide
Description

USA Canada UL 489 DIN Rail MCB 120V 240V 5A 10A 15A 20A 25A 30A 35A 40A 45A 50A 60A 1 Pole 2 Pole 3 Pole 10kA UL489 Miniature Circuit Breaker

UL 489 Miniature Circuit Breaker (Cheap price, reliable quality)

Product Features:
– UL 489 listed full line of miniature circuit breakers
– Circuit breaker mountable on standard 35mm DIN rails with optional feet for front-and-bottom mounting
– The voltage is 120Vac/240Vdc, which meets the standard 10kA breaking current
– Suitable for protection of main circuit devices
– Contact position indication (red or green)
– Switch can be locked in the ON or OFF position
– Main circuit or branch protection 

Product features:
– Power supply equipment: UPS power supply, switching power supply, inverter power supply
– Household appliances: lighting appliances, socket appliances
– HVAC equipment: heating, ventilation, air conditioning, refrigeration (internal/external)
– Industrial control cabinet: automation equipment, machine tool equipment
– Transportation system: signal control, communication network

– Wire temperature rating of 60/75℃,Cu wire only

 

 

Additional information
Weight 2 kg
Dimensions 25 × 25 × 25 cm
Rated Current

5A 10A 15A 20A 25A 30A 35A 40A 45A 50A 60A

Poles

1P, 2P, 3P

Technical Datasheet & Downloads

📄 Technical Documentation & Product Specifications

Download official engineering datasheets, certified test standards (IEC / UL / CE), wiring diagrams, and dimensional drawings for UL489 DIN Rail Miniature Circuit Breaker 1P-3P 10kA | North America.

📥
Official Technical Datasheet (PDF) Complete electrical ratings, tripping characteristics, dimensions, and compliance specifications.
Request Official Datasheet (PDF)
📐
2D/3D CAD & Dimensional Drawings STEP, DXF, and PDF CAD drawing files for panel builders and switchgear designers.
Request CAD Model
Certified Standards: IEC 60898-1, IEC 60947-2, CE, RoHS, ISO 9001:2015
Manufacturer: Shanghai Newtrend Electric Co., Ltd. (Global Export Compliance)
Engineering Support: 24-hour response for custom voltage ratings, auxiliary contacts, and technical consulting.
Technical FAQ & Selection Guide

💡 Frequently Asked Technical Questions & Selection Guide

Pure engineering specifications, tripping curve parameters, and electrical selection guidance for panel builders and system designers.

Curve Selection

How to choose between Tripping Curves B, C, and D for this miniature circuit breaker?

A

Curve B trips at 3–5 In (designed for resistive loads, electric heating, and domestic appliances with negligible inrush). Curve C trips at 5–10 In (the standard international choice for residential and commercial lighting, socket outlets, and small induction motors). Curve D trips at 10–14 In (specifically engineered for high-inrush inductive equipment such as industrial transformers, heavy motors, compressors, and welding circuits).

Breaking Capacity

How do I determine whether 6kA or 10kA breaking capacity is required for my installation?

A

Breaking capacity (Icn/Icu) must exceed the calculated prospective short-circuit fault current at the installation point. 6kA (IEC 60898-1) is standard for residential consumer units and sub-distribution branch circuits located downstream. 10kA (IEC 60947-2) is required for industrial facilities, main switchboards, commercial distribution panels, or circuits situated close to supply transformers where fault levels are high.

Poles & Neutral Isolation

How to choose the correct number of poles (1P, 1P+N, 2P, 3P, 3P+N, 4P) for single-phase and three-phase circuits?

A

For single-phase 230V circuits: 1P provides active phase protection; 1P+N or 2P isolates both live and neutral lines simultaneously (essential for TT earthing systems and sensitive sub-panels). For three-phase 400V systems: 3P protects balanced 3-wire motor loads; 3P+N or 4P is required for 4-wire mixed single-phase loads to ensure complete neutral disconnection during isolation.

DC vs AC Application

Can this circuit breaker be used in DC circuits (Solar PV, Battery Storage, Telecom)?

A

Standard AC breakers cannot safely extinguish DC arcs due to the absence of natural zero-crossing current. For DC circuits (60V to 1000V DC), select specialized DC breakers (such as DZ158-125 DC or NM8NDC series) equipped with permanent magnetic arc-blowout chutes and strictly observe polarity wiring to prevent arc re-ignition.

Modular Accessories & Interlocks

What modular accessories and mechanical interlocks can be fitted to this breaker?

A

Standard modular clip-on accessories can be mounted directly on the side without tools: OF (Auxiliary Contact for remote status indication), SD (Alarm Contact for trip fault signaling), MX (Shunt Trip for remote emergency tripping), MN (Under-voltage Release for voltage loss protection), and NXBZ mechanical interlock kits for manual generator/mains transfer switches.

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