直流遮断器4P 1000V 125A｜KYDB-125-4P

概要

について 直流遮断器 4P 1000V 125A (model KYDB-125-4P) delivers heavy-duty four-pole DC protection for high-voltage PV combiner boxes, energy storage systems (ESS), and industrial DC distribution. Rated for 1000VDC and available in 63A / 80A / 100A / 125A, it provides reliable overload and short-circuit protection with a 6kA breaking capacity. Insulation performance is ensured by Ui 690V そして Uimp 6kV, supporting long-term operation in demanding environments.

主な特徴

• Rated voltage: 1000VDC (4P); frame current: 125A
• Current options: 63A / 80A / 100A / 125A
• Breaking capacity: 6kA (Icn/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

• High-voltage PV combiner boxes and strings
• 蓄電システム（ESS） 直流配電
• Industrial DC control and distribution panels
• Telecommunication and infrastructure DC power systems

よくあるご質問

Q1: What is a dc circuit breaker 4p 1000v 125a?

A1: It is a four-pole miniature DC breaker rated at 1000VDC and up to 125A, designed to provide overload and short-circuit protection in high-voltage DC systems.

Q2: What current ratings are available?

A2: KYDB-125-4P supports 63A, 80A, 100A, and 125A.

Q3: What is the breaking capacity?

A3: The breaker offers a standard breaking capacity of 6kA (Icn/Ics).

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

A4: Yes, this 直流遮断器 4P 1000V 125A is widely applied in PVコンバイナーボックス とESSの直流配電。

Q5: Which standards does KYDB-125-4P comply with?

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

お見積もり

Contact Kuangya for datasheets, wiring diagrams, or OEM customization of KYDB-125-4P.

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