直流遮断器 3P 750V｜KYDB-63-3P

概要

について 直流サーキットブレーカー 3P 750V (model KYDB-63-3P) delivers reliable triple-pole DC protection for PV combiner boxes, energy storage systems (ESS), and industrial DC distribution. With current ratings from 6A to 63A, it provides dependable overload and short-circuit protection at 750VDC. Insulation strength is ensured by Ui 690V そして Uimp 6kV, supporting long-term performance in demanding environments.

主な特徴

• Rated voltage: 750VDC (3P); frame current: 63A
• Rated current options: 6A / 10A / 16A / 20A / 25A / 32A / 63A
• Breaking capacity: 6kA (Icn); Operating short-circuit capacity: 6kA (Ics)
• Trip characteristics: C / D, thermal-magnetic
• Insulation & impulse: Ui 690V; Uimp 6kV
• 持久力： Mechanical life 20,000 ops; Electrical life 2,000 ops
• Compliance: IEC 60947-2, GB/T 14048.2; CE & UL
• と連携 PVコンバイナーボックス, 直流ヒューズ, DC SPDそして DCスイッチ・ディスコネクター

仕様

Wiring Diagram & Dimensions

アプリケーション

• Large-scale PV arrays and strings
• Energy storage system (ESS) DC buses
• Industrial DC distribution and control panels
• Telecommunication and infrastructure DC power

よくあるご質問

Q1: What is a dc circuit breaker 3p 750v?

A1: It is a triple-pole miniature DC breaker rated at 750VDC, designed to protect DC circuits from overloads and short-circuits.

Q2: What current ratings are available for KYDB-63-3P?

A2: 6A, 10A, 16A, 20A, 25A, 32A, and 63A.

Q3: What is the breaking capacity?

A3: Standard breaking capacity is 6kA (Icn/Ics).

Q4: Can it be used in PV and ESS systems?

A4: Yes, this 直流サーキットブレーカー 3P 750V is commonly used in PVコンバイナーボックス とESSの直流配電。

Q5: Which standards does KYDB-63-3P comply with?

A5: It complies with IEC 60947-2, GB/T 14048.2, CE and UL requirements.

お見積もり

Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-63-3P.

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