1.产 品 资 料 介 绍：
- 品牌型号：ABB EHDB280，驱动专用型，适配直流调速 / 变频驱动系统。
- 额定电流：280A 连续，适配大功率驱动回路。
- 主极配置：3 极（2 常开 + 1 常闭），常闭触点专用于动态制动。
- 耐压等级：AC 600V、DC 600V，直流分断 300V，制动能力强。
- 触点设计：双断点 + 磁吹灭弧，高频通断不易烧蚀。
- 线圈特性：可抽式高温线圈，AC/DC 控制，电压范围 85%–110% Un。
- 辅助触点：标配 1 开 1 闭，最多可扩至 8 点（4 开 4 闭）。
- 结构维护：弧槽易拆，触点检查更换便捷。
- 环境耐受：工业宽温，适配机柜 / 车间复杂工况。
- 认证合规：UL/CSA 认证，符合电梯与工业驱动标准。
- 安装方式：面板固定，接线端子规整，适配控制柜布局。
- 应用场景：变频器、直流驱动器、电梯、冶金 / 造纸大功率传动。
- 机械寿命：长寿命设计，适配高频启停与制动循环。
- 抗干扰：EMC 优化，适配工业强电磁环境。
- 适配替换：原厂兼容，用于新机配套与旧驱动系统改造。
EHDB280频谱驱动接触器 产品英文
The EHDB280 spectrum driven contactor (ABB EHDB280) is a high current contactor specifically designed for DC drive/frequency converter systems, focusing on dynamic braking and high-frequency working conditions, with a 280A level and high reliability.
Brand and model: ABB EHDB280, drive specific type, suitable for DC speed regulation/variable frequency drive system.
Rated current: 280A continuous, suitable for high-power drive circuits.
Main pole configuration: 3 poles (2 normally open+1 normally closed), with normally closed contacts dedicated to dynamic braking.
Voltage resistance level: AC 600V, DC 600V, DC breaking 300V, strong braking ability.
Contact design: Double break point+magnetic blow out arc, high-frequency on-off is not easy to burn.
Coil characteristics: withdrawable high-temperature coil, AC/DC control, voltage range of 85% -110% Un.
Auxiliary contacts: Standard configuration includes 1 open and 1 close, and can be expanded up to 8 points (4 open and 4 closed).
Structural maintenance: The arc groove is easy to disassemble, and the contact inspection and replacement are convenient.
Environmental tolerance: Industrial wide temperature range, suitable for complex working conditions in cabinets/workshops.
Certification compliance: UL/CSA certification, compliant with elevator and industrial drive standards.
Installation method: Fixed panel, neat wiring terminals, suitable for control cabinet layout.
Application scenarios: frequency converters, DC drives, elevators, high-power transmission for metallurgy/papermaking.
Mechanical lifespan: Designed for long lifespan, suitable for high-frequency start stop and braking cycles.
Anti interference: EMC optimization, adapted to industrial strong electromagnetic environments.
Adaptation and replacement: Factory compatible, used for new machine matching and old drive system transformation.
EHDB280频谱驱动接触器 产品展示
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The content is from Ruichang Mingsheng Automation Equipment Co., LTD
Contact: +86 15270269218
