front coil Р416 强电干扰 high voltage interference Р417 桥梁通知设备 bridge announciating device Р418 桥梁遮断信号 bridge obstruction signal Р419 切断音响按钮 button for cut-off an audible signal Р420 侵入限界绝缘 insulated joint located within the clearance limit Р421 区段锁闭 section locking Р422 区段遥控 remote control for a section Р423 区段占用表示 section occupancy indication Р424 区间封锁 section closed up Р425 区间空闲 section cleared Р426 区间联系电路 liaison circuit with block signaling Р427 取消闭塞 to cancel a block Р428 取消进路 to cancel a route Р429 去禁溜线信号 shunting signal to prohibitive humping line Р430 热力继电器 thermal relay Р431 人工分路 manual shunt Р432 人工解锁 manual release Р433 人工解锁表示 manual release indication Р434 人为故障 human failure Р435 容许信号 permissive signal Р436 熔断器断丝 fuse burn-out Р437 熔断器断丝报警 fuse break alarm Р438 塞钉式钢轨接续线 plug bond
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