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RDX6-63DC Series DC MCB

Product catalog summary

Usage and Scope of Application: The RDX6-63/DC MCB is designed for DC distribution circuits with AC frequencies of 50/60Hz, supporting a rated voltage up to 400V and a current up to 63A. It offers overload and short-circuit protection with a breaking capacity of up to 6000A. The MCB includes auxiliary functions such as auxiliary contacts, alarm indication, shunt release, under-voltage release, and remote control. It complies with GB10963.1 and IEC60898-1 standards.

Normal Operating and Installation Conditions: The ambient temperature should range from -5°C to +40°C, with a 24-hour average not exceeding +35°C. Installation altitude should not exceed 2000m. Relative humidity should be below 50% at +40°C, but can reach 90% at 20°C. Measures should be taken to prevent condensation. Pollution grade is 2, and installation should avoid areas with significant impact or vibration. The installation mode uses a TH35-7.5 rail, and the category is II, III.

Classification: The MCB is available in 1P and 2P configurations with C type releasing characteristics. Rated currents include 1, 3, 6, 10, 16, 20, 25, 32, 40, 50, and 63A, with operating voltages of 220V/440V.

Main Technical Parameters: Over-current releasing characteristics are specified under normal conditions and a base temperature of 30-35°C. The document includes tables detailing releasing types, rated currents, and short-circuit breaking capacities.

Ordering Notice: Orders should specify the model and specification (e.g., RDX6-63/DC MCB), number of poles (e.g., 2P), rated current (e.g., 25A), releasing type (e.g., C type), and quantity (e.g., 1000 pcs).

Catalog excerpts

► Usage and its scope of application RDX6-63/DC MCB is suitable for the DC distribution circuit of AC 50/60Hz, rated voltage up to 400V, rated current up to 63A, rated short-circuit breaking capacity does not exceed 6000A, as the use of circuit's infrequently connecting, breaking and switching, with the functions of over-load, short-circuit protection. Meanwhile, it has strong auxiliary function modules, such as auxiliary contacts, contacts with alarming indication, shunt releasing, under-voltage releasing, and remote release control etc. modules. This product confirms to GB10963.1 and IEC60898-1 standards. ► Normal operating condition and installation condition 3.1 Ambient temperature: -5y~+40y, average temperature within 24h does not exceed +35y; 3.2 Altitude of installation place: does not exceed 2000m; 3.3 Relative humidity does not exceed 50% when it is at highest temperature of +40y, and it is allowed relatively high relative humidity when it is at relatively low temperature, for example, it reaches 90% when it is at 20y. It should take measurements when there occurred condensation on the product due to the temperature variation. 3.5 Installation condition: it should be installed at the places of without obvious impact and vibration as well as the medium without danger (explosion). 3.6 Installation mode: adopts TH35-7.5 installation rail 3.7 Installation category: II, III ► Classification 4.2 Releasing characteristics: C type 4.4 Rated operating voltage: 220V/440V

Open the catalog to page 1

► Main technique parameter 5.1 Over-current releasing characteristics should confirm to table 1 when the circuit breaker is at normal installation condition and basic temperature of 30-35y. ► External and installation dimension External and installation dimension map of circuit breaker 1) Model and specification, for example, RDX6-63/DC MCB 2) Number of pole, for example, 2P 3) Rated current, for example, 25A 4) Releasing type, for example, C type 5) Ordering quantity, for example, 1000 pcs For example, RDX6-63/DC, 2P, C40, 1000pcs for ordering RDX6-63, the rated current is 40A, 2P, C type, and...

Open the catalog to page 2

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