福州卓凱電子科技有限公司

Mikro MK202A 是一款由 Mikro Sdn Bhd 生產(chǎn)的 IDMT（反時限過流）接地故障繼電器，主要用于電力系統(tǒng)中對接地故障進行檢測與保護，適用于中低壓配電網(wǎng)絡(luò)中的變壓器、電動機和饋線等設(shè)備的保護控制。

?產(chǎn)品型號?：MK202A

?設(shè)備類型?：IDMT 接地故障繼電器（Earth Fault Relay）

?輔助電源電壓?：

MK202A-240A：198~265 VAC

MK202A-110A：94~127 VAC

?電源頻率?：50 Hz

?功耗?：典型值 3 VA

?輸出觸點容量?：

額定電壓：250 VAC

持續(xù)載流：5A（cos ? = 1.0）

電氣壽命：約 100,000 次操作

機械壽命：約 500 萬次操作

?保護特性?：

支持高定值（High-set）和低定值（Low-set）接地故障保護

時間倍率可調(diào)（Time Multiplier Adjustment），實現(xiàn)反時限動作特性

具備 Trip 復(fù)位按鈕和測試功能，便于現(xiàn)場調(diào)試與維護

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