Overview

DZB1-63H series high breaking miniature circuit breaker is currently the most complete and versatile miniature circuit breaker that can meet different markets and needs, mainly used in civil residential, construction, industrial, energy and other fields.

The product complies with IEC 60898/GB 10963.1-2005 standards.

Model and its meanings

● Electrical parameters

Maximum operating voltage: 440 VAC

Breaking capacity: IEC 60898/GB10963.1-2005 10000 A

Impulse withstand voltage: 6 kV

○ Current limiting level: 3

○ Rapid closing: ensuring reliable operation under impact load and extending the electrical life of the circuit breaker.

○ Mechanical life: 20000 times

○ Environment

Operating environment temperature: -30℃ to +70℃

Moisture and heat resistance: Class 2

(relative humidity of 95% at a temperature of 55℃ )

○ Reference weight (g)

○ Wiring

○ Tunnel type terminal

○ Terminal wiring area

1-32 A: 16 m㎡multi-strand soft wire or 25 m㎡single-stand hard wire, 40-63 A: 25 m㎡multi-strand soft wire or 35 m㎡single-stand hard wire

○ Installation

Modular structure, easy to install on DIN standard rails

C-type curve

Protect conventional loads and distribution cables

○ Electrical parameters

40 to 63A can be connected to 25mm2 multi-stranded soft wire or 35mm2 single stranded hard wire

D-type curve

Protection of inrush loads with high starting currents (e.g. motors, transformers, etc.)

○Electrical parameters

Tripping curve

● DZB1-63H series high breaking miniature circuit breaker

C and D type tripping curves comply with the IEC 60898 standard, and their instantaneous tripping operation range is as follows:

C-type curve: (5-10)In

D-type curve: (10-14)In

Overall dimensions

● DZB1-63H high breaking miniature circuit breaker

A. Applicable to lines with AC 50/60Hz, rated voltage up to 400V and rated current 63A, used for overcurrent and short-circuit protection of line facilities and electrical equipment in buildings and similar places.

B. It is characterized by advanced structure, reliable performance, high breaking capacity, and beautiful and compact appearance.