施耐德雙電源WATSGA-100/4P            WATSGB-100/4P                                  WATSNB-63A/4P施耐德雙電源WATSGA-125/4P            WATSGB-125/4P                                  WATSNB-80A/4P施耐德雙電源WATSGA-160/4P            WATSGB-160/4P                                  WATSNB-100A/4P施耐德雙電源WATSGA-200/4P            WATSGB-200/4P                                  WATSNB-160A/4P施耐德雙電源WATSGA-250/4P            WATSGB-250/4P                                  WATSNB-250A/4P施耐德雙電源WATSGA-320/4P            WATSGB-320/4P                                  WATSNB-400A/4P施耐德雙電源WATSGA-400/4P            WATSGB-400/4P                                  WATSNB-630A/4P施耐德雙電源WATSGA-500/4P            WATSGB-500/4P                                  WATSNB-800A/4P施耐德雙電源WATSGA-630/4P            WATSGB-630/4P                                  WATSNB-1000A/4P


COD是利用化學氧化劑（如高錳酸鉀）將水中可氧化物質（如有機物、亞鹽、亞鐵鹽、硫化物等）氧化分解,然后根據殘留氮化劑的量計算出氧的消耗量,是表示水質污染度的重要指標。其值越小,說明水質污染程度越輕。COD量濃度的超標為各種細菌的滋生提供了溫床,從而產生了生物粘泥。隨著生物粘泥的增多導致了冷卻水管線的堵塞,生物粘泥在高溫下硬結,而生物粘泥用來溶解是很困難的,這與維修現場用疏通冷卻系統困難的現象相吻合。