T系列热过载继电器主要用于交流50Hz或60Hz,电压至660V、电流至500A的电力线路中，一般用作三相感应电动机的过载与断相保护，常与B系列交流接触器配合组成电磁起动器，也可单独使用。该系列热过载继电器从德国ABB公司引进，符合IEC、VDE等国际标准和一些国家的有关标准及规范。技术数据和性能：型号T6T16/T16KT25T25K16T25K25额定电流(Ie)A616252525约定发热电流(Ith)A10.517.6321932额定绝缘电压(Ui)V690热元件整定电流范围A0.11~0.170.11~0.160.10~0.160.10~0.1613.0~19.00.17~0.260.14~0.210.16~0.250.16~0.2518.0~25.00.26~0.420.19~0.290.25~0.400.25~0.4024.0~32.00.42~0.650.27~0.400.40~0.630.40~0.63-0.65~1.000.35~0.520.63~1.000.63~1.00-0.85~1.300.42~0.631.00~1.401.00~1.40-1.10~1.600.55~0.831.30~1.801.30~1.80-1.35~2.000.70~1.001.70~2.401.70~2.40-1.70~2.400.90~1.302.20~3.102.20~3.10-2.20~3.201.10~1.502.80~4.002.80~4.00-3.00~4.701.30~1.803.50~5.003.50~5.00-4.00~6.301.50~2.104.50~6.504.50~6.50-5.50~8.001.70~2.406.00~8.506.00~8.50-7.50~10.52.10~3.007.50~11.07.50~11.0--2.70~4.0010.0~14.010.0~14.0--3.00~4.5013.0~19.013.0~19.0--4.00~6.0018.0~25.0---5.20~7.5024.0~32.0---6.30~9.00----7.50~11.0----9.00~13.0----12.0~17.6---型号T45T75T105T170T200T250T370/T37K额定电流(Ie)A4575105170200250370约定发热电流(Ith)A4580115200200400500额定绝缘电压(Ui)V690热元件整定电流范围A0.28~0.4018~2527~4290~13065~90100~160100~1600.35~0.5222~3236~52110~16080~110160~250160~2500.45~0.6329~4245~63140~200100~135250~400250~4000.55~0.8336~5257~82-110~150-310~5000.70~1.0045~6370~105-130~175--0.86~1.3060~8080~115-150~200--1.10~1.60------1.40~2.10------1.80~2.50------2.20~3.30------2.80~4.00------3.50~5.20------4.50~6.30------