D28457 POWER RESISTOR ASSEMBLY 7967-300-2222 是由 BAYLOR-ELMAGCO 生产的一款功率电阻组件，广泛应用于工业控制、电力电子及自动化系统中，用于实现能量耗散、制动控制或电压调节功能。
1. 产品基本信息
型号：D28457 POWER RESISTOR ASSEMBLY
部件编号：7967-300-2222
制造商：BAYLOR-ELMAGCO（美国工业电气元件制造商）
类型：功率电阻组件（Power Resistor Assembly）
典型用途：
变频器或伺服驱动系统的动态制动回路
工业电源中的浪涌吸收与过压保护
自动化产线中电机减速时的能量释放装置
该组件具备高耐热性与长期稳定性，通常安装于控制柜内，配合散热器使用，可在高温、高湿、强振动等恶劣工业环境下可靠运行。
2. 关键技术参数（基于同类产品推断）
由于公开资料中未提供完整规格书，以下参数参考同类工业功率电阻组件的通用标准：
额定功率：约 300W–500W（具体以铭牌为准）
电阻值：常见范围为 10Ω–100Ω，用于匹配不同电机容量
耐压等级：支持直流母线电压，可达 800VDC 以上
冷却方式：自然风冷或强制风冷，部分型号支持导热底板安装
防护等级：IP20（内部安装），需避免粉尘直接覆盖
连接方式：螺栓端子压接，支持大电流接入
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