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Huyu H8B-63/4P D 63A AC220V miniature circuit breaker with shunt

Name: Huyu H8B-63/4P D 63A AC220V miniature circuit breaker with shunt
SKU: 1027400265

Brand:

Huyu

Series:

H8B-63

Rated Current:

63A

Trip Characteristics:

Poles:

Rated Voltage:

230/400VAC

Breaking Capacity:

10KA

Model:

H8B-63/4P D 63A with shunt AC220V

Order Number:

1027400265

Description:

Huyu miniature circuit breaker H8B-63/4P D 63A with shunt AC220V, breaking capacity 10KA, trip characteristic D, 230/400VAC, 63A

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Product parameters
Series Overview

Product parameters

Product attributes	Attribute value	Filter product attributes
Brand：	Huyu
Series：	H8B-63
Rated Current：	63A
Trip Characteristics：	D
Poles：	4P
Rated Voltage：	230/400VAC
Breaking Capacity：	10KA

Products with the same attribute : 0

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Series Overview

Scope of Application

● The H8B-63 series miniature circuit breakers are suitable for overload and short-circuit protection in circuits with AC 50Hz, rated voltage up to 230V/400V, and rated operating current up to 63A. They can also be used for infrequent switching operations of circuits under normal conditions.

● The H8B-63 series miniature circuit breakers are equipped with accessories such as the H8B-F auxiliary contact, H8B-FB auxiliary alarm contact, H8B-FL shunt release, H8B-QY undervoltage release, H8B-GY overvoltage release, and H8B-GQY over/undervoltage release. These provide convenience for intelligent control in smart buildings. The overvoltage, undervoltage, and over/undervoltage releases are electronic types, used in combination with circuit breakers or residual current circuit breakers. They are suitable for AC 50Hz, rated voltage 230V circuits, protecting against overvoltage, undervoltage, and over/undervoltage caused by line faults, preventing damage to electrical equipment or operational failure due to grid voltage fluctuations.

● The circuit breakers are suitable for various locations including industrial, commercial, high-rise buildings, and residential applications.

● Compliant with standards: GB/T10963.1, IEC60898-1.

Normal Working Conditions

● The upper limit of the ambient air temperature shall not exceed +40°C, the lower limit shall not be lower than -5°C, and the average value over 24 hours shall not exceed +35°C.

● The altitude of the installation site shall not exceed 2000m.

● The relative humidity of the atmosphere at the installation site shall not exceed 50% at the maximum surrounding temperature of +40°C. Higher relative humidity is permissible at lower temperatures. The average maximum relative humidity of the most humid month shall not exceed 90%, and the monthly average temperature of that month shall not exceed +25°C. Measures must be taken against condensation occurring on the product due to temperature changes.

● Pollution degree: 2.

● Installation categories: II, III.

● Mounting on 35mm standard rail.

Structural Features

● The circuit breaker features excellent current-limiting characteristics, extremely short arcing time, high breaking capacity, precise protective characteristics, long service life, and reliable performance.

● The housing adopts a unique curved surface design. The sides feature streamlined ventilation slots to improve heat dissipation and reduce product temperature rise.

● Features a clear indication of contact position status.

● For PHN and 3PHN circuit breakers, the N-pole can be disconnected.

● The terminal blocks support dual wiring methods for both busbars and conductors.

● A complete range of accessories is available, including auxiliary contacts, alarm contacts, shunt releases, undervoltage releases, overvoltage releases, and over/undervoltage releases.

Rachel

Industrial Control Sales Specialist: Focuses on delivering high-performance, cost-effective industrial control products. Offers end-to-end one-stop procurement support—covering rapid quotation, streamlined order fulfillment, and responsive after-sales service—to simplify clients’ procurement processes. Email: Anthony@icxsg.com

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Huyu H8B-63/4P D 63A AC220V miniature circuit breaker with shunt

Product parameters

Series Overview

Rachel

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