High / low pressure switch protection, protection, hot melt season, high exhaust heat protector for a compressor, overcurrent relay, phase sequence protector.
高/低压力开关保护、排气过高保护、热熔赛、压缩机热保护器，过流继电器、相序/缺相保护器等。
Three-phase power supply phase sequence access must follow the relationship shown, phase sequence dislocation will guide the limit switch not properly limit the serious consequences.
三相电源的接入必须按照图示的相序关系，相序错位将导之限位开关不能正确限位的严重后果。
Three-phase power supply phase sequence access must follow the relationship shown, phase sequence dislocation will guide the limit switch not properly limit the serious consequences.
三相电源的接入必须按照图示的相序关系，相序错位将导之限位开关不能正确限位的严重后果。
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