⑴额定电压

断路器铭牌上的额定电压是指断路器主触头的额定电压，是保证接触器触头长期正常工作的电压值。

(2)额定电流

接触器铭牌上的额定电流是指路器主触头的额定电流，是保证接触器触头长期正常工作的电流值。

⑶脱扣电流

脱扣电流是使过电流脱扣器动作的电流设定值，当电路短路或负载严重超载，负载电流大于脱扣电流时，断路器主触头分断。

⑷过载保护电流、时间曲线

T4H250 PR223DS R160 FF 4P
T4H250 PR223DS R250 FF 3P
T4H250 PR223DS R250 FF 4P
T5H400 PR223DS R320 FF 3P
T5H400 PR223DS R320 FF 4P
T5H400 PR223DS R400 FF 3P
T5H400 PR223DS R400 FF 4P
T2H160 MA20/120-240 PMP 3P
T2H160 MA32/192-384 PMP 3P
T2H160 MA52/312-624 PMP 3P
T2H160 MA80/480-960 PMP 3P
T2H160 PR221DS-I R10 FF 3P
T2H160 PR221DS-I R10 FF 4P
T2H160 PR221DS-I R25 FF 3P
T2H160 PR221DS-I R25 FF 4P
T2H160 PR221DS-I R63 FF 3P
T2H160 PR221DS-I R63 FF 4P
T4H250 TMA80/400-800 FF 3P
T4H250 TMA80/400-800 FF 4P
T2H160 MA100/600-1200 FF 3P
T2H160 PR221DS-I R10 PMP 3P
T2H160 PR221DS-I R10 PMP 4P
T2H160 PR221DS-I R100 FF 3P
T2H160 PR221DS-I R100 FF 4P
T2H160 PR221DS-I R160 FF 3P
T2H160 PR221DS-I R25 PMP 3P
T2H160 PR221DS-I R25 PMP 4P
T2H160 PR221DS-I R63 PMP 3P
T2H160 PR221DS-I R63 PMP 4P
T4H250 PR221DS-I R100 FF 3P
T4H250 PR221DS-I R100 FF 4P
T4H250 PR221DS-I R160 FF 3P
T4H250 PR221DS-I R160 FF 4P
T4H250 PR221DS-I R250 FF 3P
T4H250 PR221DS-I R250 FF 4P
T4H250 TMA80/400-800 PMP 3P
T4H250 TMA80/400-800 PMP 4P
T4H250 TMA80/400-800 WMP 3P
T4H250 TMA80/400-800 WMP 4P
T5H400 PR221DS-I R320 FF 3P
T5H400 PR221DS-I R320 FF 4P
T5H400 PR221DS-I R400 FF 3P
T5H400 PR221DS-I R400 FF 4P
T5H630 PR221DS-I R630 FF 3P
T5H630 PR221DS-I R630 FF 4P
T6H630 PR221DS-I R630 FF 3P
T6H630 PR221DS-I R630 FF 4P
T6H800 PR221DS-I R800 FF 3P
T6H800 PR221DS-I R800 FF 4P
T7H800 PR231/P-I R800 FF 3P
T7H800 PR231/P-I R800 FF 4P
T2H160 MA100/600-1200 PMP 3P
T2H160 PR221DS-I R100 PMP 3P
T2H160 PR221DS-I R100 PMP 4P
T2H160 PR221DS-I R160 PMP 3P
T2H160 PR221DS-LSI R10 FF 3P
T2H160 PR221DS-LSI R10 FF 4P
T2H160 PR221DS-LSI R25 FF 3P
T2H160 PR221DS-LSI R25 FF 4P
T2H160 PR221DS-LSI R63 FF 3P
T2H160 PR221DS-LSI R63 FF 4P
T4H250 PR221DS-I R100 PMP 3P
T4H250 PR221DS-I R100 PMP 4P
T4H250 PR221DS-I R100 WMP 3P
T4H250 PR221DS-I R100 WMP 4P
T4H250 PR221DS-I R160 PMP 3P
T4H250 PR221DS-I R160 PMP 4P
T4H250 PR221DS-I R160 WMP 3P
T4H250 PR221DS-I R160 WMP 4P
T4H250 PR221DS-I R250 PMP 3P
T4H250 PR221DS-I R250 PMP 4P
T4H250 PR221DS-I R250 WMP 3P
T4H250 PR221DS-I R250 WMP 4P
T4H250 TMA100/500-1000 FF 3P
T4H250 TMA100/500-1000 FF 4P
T4H250 TMA125/625-1250 FF 3P
T4H250 TMA160/800-1600 FF 3P
T5H400 PR221DS-I R320 PMP 3P
T5H400 PR221DS-I R320 PMP 4P
T5H400 PR221DS-I R320 WMP 3P
T5H400 PR221DS-I R320 WMP 4P
T5H400 PR221DS-I R400 PMP 3P
T5H400 PR221DS-I R400 PMP 4P
T5H400 PR221DS-I R400 WMP 3P
T5H400 PR221DS-I R400 WMP 4P
T5H630 PR221DS-I R630 PMP 3P
T5H630 PR221DS-I R630 PMP 4P
T5H630 PR221DS-I R630 WMP 3P
T5H630 PR221DS-I R630 WMP 4P
T6H630 PR221DS-I R630 WMP 3P
T6H630 PR221DS-I R630 WMP 4P
T6H800 PR221DS-I R800 WMP 3P
T6H800 PR221DS-I R800 WMP 4P
T7H800 PR332/P-LI R800 FF 3P
T7H800 PR332/P-LI R800 FF 4P
T7H800M PR231/P-I R800 FF 3P
T7H800M PR231/P-I R800 FF 4P
T2H160 PR221DS-LSI R10 PMP 3P
T2H160 PR221DS-LSI R10 PMP 4P
T2H160 PR221DS-LSI R100 FF 3P
T2H160 PR221DS-LSI R100 FF 4P
T2H160 PR221DS-LSI R160 FF 3P
T2H160 PR221DS-LSI R25 PMP 3P
T2H160 PR221DS-LSI R25 PMP 4P
T2H160 PR221DS-LSI R63 PMP 3P
T2H160 PR221DS-LSI R63 PMP 4P
T4H250 PR221DS-LSI R100 FF 3P
T4H250 PR221DS-LSI R100 FF 4P
T4H250 PR221DS-LSI R160 FF 3P
T4H250 PR221DS-LSI R160 FF 4P
T4H250 PR221DS-LSI R250 FF 3P
T4H250 PR221DS-LSI R250 FF 4P
T4H250 TMA100/500-1000 PMP 3P
T4H250 TMA100/500-1000 PMP 4P
T4H250 TMA100/500-1000 WMP 3P
T4H250 TMA100/500-1000 WMP 4P
T4H250 TMA125/625-1250 PMP 3P
T4H250 TMA125/625-1250 WMP 3P
T4H250 TMA160/800-1600 PMP 3P
T4H250 TMA160/800-1600 WMP 3P
T4H250 TMA200/1000-2000 FF 3P
T4H250 TMA250/1250-2500 FF 3P
T5H400 PR221DS-LSI R320 FF 3P
T5H400 PR221DS-LSI R320 FF 4P
T5H400 PR221DS-LSI R400 FF 3P
T5H400 PR221DS-LSI R400 FF 4P
T5H400 TMA320/1600-3200 FF 3P
T5H400 TMA400/2000-4000 FF 3P
T5H630 PR221DS-LSI R630 FF 3P
T5H630 PR221DS-LSI R630 FF 4P
T5H630 TMA500/2500-5000 FF 3P
T6H630 PR221DS-LSI R630 FF 3P
T6H630 PR221DS-LSI R630 FF 4P
T6H630 TMA630/3150-6300 FF 3P
T6H800 PR221DS-LSI R800 FF 3P
T6H800 PR221DS-LSI R800 FF 4P
T6H800 TMA800/4000-8000 FF 3P
T7H1000 PR231/P-I R1000 FF 3P
T7H1000 PR231/P-I R1000 FF 4P
T7H1250 PR231/P-I R1250 FF 3P
T7H1250 PR231/P-I R1250 FF 4P
T7H1600 PR231/P-I R1600 FF 3P
T7H1600 PR231/P-I R1600 FF 4P
T7H800 PR231/P-LSI R800 FF 3P
T7H800 PR231/P-LSI R800 FF 4P
T7H800 PR232/P-LSI R800 FF 3P
T7H800 PR232/P-LSI R800 FF 4P
T7H800 PR332/P-LSI R800 FF 3P
T7H800 PR332/P-LSI R800 FF 4P
T7H800M PR332/P-LI R800 FF 3P
T7H800M PR332/P-LI R800 FF 4P
T2H160 PR221DS-LSI R100 PMP 3P
T2H160 PR221DS-LSI R100 PMP 4P
T2H160 PR221DS-LSI R160 PMP 3P
T4H250 PR221DS-LSI R100 PMP 3P