China DZ47-63 series miniature circuit breaker Supplier, Factories

DZ47-63 series miniature circuit breaker features reliable performance, high breaking capacity and compact design.
It provides overload and short-circuit protection for lighting and distribution lines in residential and commercial buildings.
Fully compliant with IEC60898-1 and GB10963.1 standards, with CCC certification.

Product Description

Product Description

This miniature circuit breaker is designed for circuits with AC 50Hz or 60Hz, a rated working voltage of 400V and below, and a rated current ranging from 1A to 63A.

It is primarily utilized for overload and short-circuit protection in lighting systems, distribution lines, and equipment within office buildings, residences, and similar structures. Additionally, it serves as an infrequent conversion switch for lines under normal operating conditions.

Our products strictly comply with IEC60898-1 and GB10963.1 standards and have successfully obtained the CCC certification.

Model Meaning

Model meaning diagram

Technical Specifications

Rated Current (A) Type (Pole) Voltage (V) Breaking Capacity (A)
1-63 1P 230/400 4500
1-63 2P, 3P, 4P 400 4500
Tripper Operation Characteristics Testing Conditions
Delay No Tripping 1.13In ≥ 1h
Tripping 1.45In < 1h
Time Range 2.55In: 1s < t < 60s (In ≤ 32A) / 120s (In > 32A)
Instantaneous No Tripping C Type: 5In ≥ 0.1s; D Type: 10In ≥ 0.1s
Tripping C Type: 10In < 0.1s; D Type: 14In < 0.1s

Work Environment & Performance

Rated Temperature 30°C
Electrical Life Not less than 6,000 times
Mechanical Life Not less than 20,000 times
Thermal Test Class 2 (Relative humidity 95% at 55°C)
Current Limiting High capability to maximize protection against short-circuit energy
Weight (g) 1P 2P 3P 4P
Standard Unit 102 208 308 408

Technical Data & Performance

Thermal/electromagnetic trip characteristics (in compliance with GB/IEC standards):

Thermal electromagnetic trip characteristics chart
Frequently Asked Questions
Q1: What are the primary applications for this circuit breaker?
A: It is mainly used for overload and short-circuit protection in lighting, distribution lines, and equipment in residential and office buildings.
Q2: What is the rated current range available for this model?
A: The rated current ranges from 1A to 63A, making it versatile for various electrical requirements.
Q3: Which international standards do these products meet?
A: The products comply with IEC60898-1 and GB10963.1 standards and have passed mandatory CCC certification.
Q4: What is the difference between C Type and D Type tripping characteristics?
A: C Type is typically used for residential lighting and resistive loads, while D Type is designed for higher inductive loads with higher instantaneous tripping thresholds.
Q5: How durable is this miniature circuit breaker?
A: It features a mechanical life of at least 20,000 operations and an electrical life of at least 6,000 operations.
Q6: What is the breaking capacity of this device?
A: This circuit breaker has a rated breaking capacity of 4500A.

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