根据机械行业标准JB/T 8589-2006“DZ20系列塑料外壳式断路器”型号编制规定，塑料外壳式断路器有很多型号，建议你通过百度搜索下载该标准来研究，附图是标准对型号的相关规定

A1N125 MF32/384 FF 3P
A1N125 MF40/480 FF 3P
A1N125 MF50/600 FF 3P
A1N125 MF60/720 FF 3P
A1N125 MF70/840 FF 3P
A1N125 MF80/960 FF 3P
A1N125 TMF15/400 FF 3P
A1N125 TMF15/400 FF 4P
A1N125 TMF16/400 FF 3P
A1N125 TMF16/400 FF 4P
A1N125 TMF20/400 FF 3P
A1N125 TMF20/400 FF 4P
A1N125 TMF25/400 FF 3P
A1N125 TMF25/400 FF 4P
A1N125 TMF30/400 FF 3P
A1N125 TMF30/400 FF 4P
A1N125 TMF32/400 FF 3P
A1N125 TMF32/400 FF 4P
A1N125 TMF40/400 FF 3P
A1N125 TMF40/400 FF 4P
A1N125 TMF50/500 FF 3P
A1N125 TMF50/500 FF 4P
A1N125 TMF60/600 FF 3P
A1N125 TMF60/600 FF 4P
A1N125 TMF63/630 FF 3P
A1N125 TMF63/630 FF 4P
A1N125 TMF70/700 FF 3P
A1N125 TMF70/700 FF 4P
A1N125 TMF80/800 FF 3P
A1N125 TMF80/800 FF 4P
A1N125 TMF90/900 FF 3P
A1N125 TMF90/900 FF 4P
A1N125 MF100/1200 FF 3P
A1N125 TMF100/1000 FF 3P
A1N125 TMF100/1000 FF 4P
A1N125 TMF125/1250 FF 3P
A1N125 TMF125/1250 FF 4P
A1B125 MF32/384 FF 3P
A1B125 MF40/480 FF 3P
A1B125 MF50/600 FF 3P
A1B125 MF60/720 FF 3P
A1B125 MF70/840 FF 3P
A1B125 MF80/960 FF 3P
A1B125 TMF15/400 FF 3P
A1B125 TMF15/400 FF 4P
A1B125 TMF16/400 FF 3P
A1B125 TMF16/400 FF 4P
A1B125 TMF20/400 FF 3P
A1B125 TMF20/400 FF 4P
A1B125 TMF25/400 FF 3P
A1B125 TMF25/400 FF 4P
A1B125 TMF30/400 FF 3P
A1B125 TMF30/400 FF 4P
A1B125 TMF32/400 FF 3P
A1B125 TMF32/400 FF 4P
A1B125 TMF40/400 FF 3P
A1B125 TMF40/400 FF 4P
A1B125 TMF50/500 FF 3P
A1B125 TMF50/500 FF 4P
A1B125 TMF60/600 FF 3P
A1B125 TMF60/600 FF 4P
A1B125 TMF63/630 FF 3P
A1B125 TMF63/630 FF 4P
A1B125 TMF70/700 FF 3P
A1B125 TMF70/700 FF 4P
A1B125 TMF80/800 FF 3P
A1B125 TMF80/800 FF 4P
A1B125 TMF90/900 FF 3P
A1B125 TMF90/900 FF 4P
A1B125 MF100/1200 FF 3P
A1B125 TMF100/1000 FF 3P
A1B125 TMF100/1000 FF 4P
A1B125 TMF125/1250 FF 3P
A1B125 TMF125/1250 FF 4P
A1C125 MF32/384 FF 3P
A1C125 MF40/480 FF 3P
A1C125 MF50/600 FF 3P
A1C125 MF60/720 FF 3P
A1C125 MF70/840 FF 3P
A1C125 MF80/960 FF 3P
A1C125 TMF15/400 FF 3P
A1C125 TMF15/400 FF 4P
A1C125 TMF16/400 FF 3P
A1C125 TMF16/400 FF 4P
A1C125 TMF20/400 FF 3P
A1C125 TMF20/400 FF 4P
A1C125 TMF25/400 FF 3P
A1C125 TMF25/400 FF 4P
A1C125 TMF30/400 FF 3P
A1C125 TMF30/400 FF 4P
A1C125 TMF32/400 FF 3P
A1C125 TMF32/400 FF 4P
A1C125 TMF40/400 FF 3P
A1C125 TMF40/400 FF 4P
A1C125 TMF50/500 FF 3P
A1C125 TMF50/500 FF 4P
A1C125 TMF60/600 FF 3P
A1C125 TMF60/600 FF 4P
A1C125 TMF63/630 FF 3P
A1C125 TMF63/630 FF 4P
A1C125 TMF70/700 FF 3P
A1C125 TMF70/700 FF 4P
A1C125 TMF80/800 FF 3P
A1C125 TMF80/800 FF 4P
A1C125 TMF90/900 FF 3P
A1C125 TMF90/900 FF 4P
A1C125 MF100/1200 FF 3P
A1C125 TMF100/1000 FF 3P
A1C125 TMF100/1000 FF 4P
A1C125 TMF125/1250 FF 3P
A1C125 TMF125/1250 FF 4P
A2C250 MF100/1200 FF 3P
A2C250 MF125/1500 FF 3P
A2C250 MF160/1920 FF 3P
A2C250 MF200/2400 FF 3P
A2C250 TMF125/1250 FF 3P
A2C250 TMF125/1250 FF 4P
A2C250 TMF150/1500 FF 3P
A2C250 TMF150/1500 FF 4P
A2C250 TMF160/1600 FF 3P
A2C250 TMF160/1600 FF 4P
A2C250 TMF175/1750 FF 3P
A2C250 TMF175/1750 FF 4P
A2C250 TMF200/2000 FF 3P
A2C250 TMF200/2000 FF 4P
A2C250 TMF225/2250 FF 3P
A2C250 TMF225/2250 FF 4P
A2C250 TMF250/2500 FF 3P
A2C250 TMF250/2500 FF 4P
A2B250 MF100/1200 FF 3P
A2B250 MF125/1500 FF 3P
A2B250 MF160/1920 FF 3P
A2B250 MF200/2400 FF 3P
A2B250 TMF125/1250 FF 3P
A2B250 TMF125/1250 FF 4P
A2B250 TMF150/1500 FF 3P
A2B250 TMF150/1500 FF 4P
A2B250 TMF160/1600 FF 3P
A2B250 TMF160/1600 FF 4P
A2B250 TMF175/1750 FF 3P
A2B250 TMF175/1750 FF 4P
A2B250 TMF200/2000 FF 3P
A2B250 TMF200/2000 FF 4P
A2B250 TMF225/2250 FF 3P
A2B250 TMF225/2250 FF 4P
A2B250 TMF250/2500 FF 3P
A2B250 TMF250/2500 FF 4P
A2N250 MF100/1200 FF 3P
A2N250 MF125/1500 FF 3P
A2N250 MF160/1920 FF 3P
A2N250 MF200/2400 FF 3P
A2N250 TMF125/1250 FF 3P
A2N250 TMF125/1250 FF 4P
A2N250 TMF150/1500 FF 3P
A2N250 TMF150/1500 FF 4P
A2N250 TMF160/1600 FF 3P
A2N250 TMF160/1600 FF 4P
A2N250 TMF175/1750 FF 3P
A2N250 TMF175/1750 FF 4P
A2N250 TMF200/2000 FF 3P
A2N250 TMF200/2000 FF 4P
A2N250 TMF225/2250 FF 3P
A2N250 TMF225/2250 FF 4P
A2N250 TMF250/2500 FF 3P
A2N250 TMF250/2500 FF 4P
A3N400 MF250/3000 FF 3P
A3N400 MF320/3840 FF 3P
A3N400 TMF320/3200 FF 3P
A3N400 TMF400/4000 FF 3P
A3N400 TMF320/3200 FF 3P+RCD
A3N400 TMF320/3200 FF 4P+RCD
A3N400 TMF400/4000 FF 3P+RCD
A3N400 TMF400/4000 FF 4P+RCD
A3N400 TMF320/3200 FF 4P N=100%
A3N400 TMF400/4000 FF 4P N=100%
A3N630 ELT-I 500 FF 3P
A3N630 MF400/4800 FF 3P
A3N630 ELT-LI R630 FF 3P
A3N630 ELT-LI R630 FF 4P
A3N630 TMF500/5000 FF 3P
A3N630 TMF500/5000 FF 4P N=100%