1. Specialized for DC Applications
Tailored for DC Circuits: The DZ47-63(B)/125(B)is specifically designed for direct current (DC) systems, making it ideal for a wide range of applications such as electric vehicles, motorcycles, lighting circuits, switching power supplies, UPS power supplies, and security monitoring circuits.
Wide Voltage Range: Suitable for unipolar rated voltages from DC 12V to 120V, ensuring compatibility with various DC systems.
2. High Current Handling Capability
Rated Current up to 63A: This circuit breaker can handle rated currents up to 150A, providing robust protection for high-current DC circuits. It ensures reliable operation even under heavy load conditions.
3. Dual Protection Features
Overload Protection: Provides reliable protection against overloads, preventing damage to electrical components and ensuring the safety and longevity of connected devices.
Short-Circuit Protection: Instantly trips in the event of a short circuit, minimizing the risk of electrical fires and protecting the entire electrical system from damage.
4. Versatile Usage
Infrequent On-Off Operations: Suitable for infrequent switching of electrical devices under normal conditions, making it a versatile choice for both protection and control functions in various DC applications.
5. Compliance with International Standards
GB10963.2 and IEC60947-2 Compliance: This product meets the stringent requirements of GB10963.2 and IEC60947-2 standards, ensuring it adheres to the highest safety and performance criteria. This compliance guarantees reliability and compatibility with modern electrical systems.
Product Introduction
DZ47-63 (B) DC circuit breaker, specially used for electric vehicles, motorcycles, lighting circuits, switching power supplies, UPS power supplies, security monitoring circuits and other places, unipolar rated voltage DC 12V-120V, rated current up to 63A It has overload and short-circuit protection in the line, and can also be used for infrequent on-off electrical devices under normal conditions.
This product complies with GB10963.2 and IEC60947-2 standards.
Model Meaning
Protections and Functions
Short circuit protection
Overload protection
(overcurrent protection)
Isolation function
Auxiliary control function
Technical Parameters
Rated current In: 1A-150A;
Rated working voltage U: DC12~120V, DC12V/DC24V/
DC36V/DC48V/DC60V/DC72V/DC96V/DC110V etc;
Rated short-circuit breaking capacity Icn: 4.5kA/6kA;
Rated impulse withstand voltage Uimp (1.2/50): 4KV/6kV;
Number of poles: 1P single pole, 2P double pole;
Trip form: thermal magnetic trip;
Tripping characteristics: B type (3ln~5ln);
Current limiting level: 3;
Ambient working temperature: -30℃~70℃;
IP grade: IP20;
Pollution level: 2;
Installation: where there is no significant vibration and shock, tunnel wiringTerminal, can be easily installed on TH35-7.5 type DIN standard rail;
Installation torque: 1~32A: 2.5Nm, 40~63A: 3.5Nm, 80-150A 3.5Nm;
Mechanical and electrical life:
a. Electrical life: not less than 8000 times;
b. Mechanical life: not less than 10,000 times;
Compliant with the standard: GB10963.2/IEC60947-2;
Compliance certification: CE;
Application place:
It is used in DC power power system, electric propulsion system, photovoltaic power system (photovoltaic combiner box) and other places.