说明
CPU插件由微处理器CPU、RAM、ROM、Flash Memory等构成。高性能的微处理器CPU为32位浮点处理器，主频达40MHz；A/D数据输入精度达16位。集成电路全部采用工业品或军品，使得装置有很高的稳定性和可靠性
供应各种型号许继微机保护装置CPU插件、液晶插件（人机对话插件）、电源插件、交流插件、信号插件。高低压都可供货
| 装置型号 | 装置型号 | 装置型号 | 装置型号 |
| WBH-821 | WBH-821A | FCK-803 | WJE-821A/P |
| WBH-822 | WBH-822A | FCK-851 | WBH-821A/P |
| WBT-821 | WBT-821A | FCK-851/1 | WBT-821A/P |
| WBT-822 | WBT-822A | FCK-851/2 | WBT-822A/P |
| WYJ-821 | WYJ-821A | FCK-851/3 | WCB-822A/P |
| WYJ-821 | WJE-821A | WXH-801A | WDH-821A/P |
| WCH-821 | WCH-821A | WXH-802A | WDH-822A/P |
| WCB-821 | WCB-821A | WXH-803A | WDH-823A/P |
| WCB-822 | WCB-822A | WKB-801A | WDR-821A/P |
| WDH-821 | WDH-821A | WDLK-861 | WCH-821A/P |
| WDH-822 | WDH-822A | WDLK-862 | WKB-821A/P |
| WDH-823 | WDH-823A | WDLK-863 | WXH-821A/P |
| WDH-824 | WDH-824A | WDLK-864 | WXH-822A/P |
| WDH-825 | WDH-825A | WMH-800A.1 | WXH-825A/P |
| WDR-821 | WDR-821A | WMH-800A.2 | WYJ-821A/P |
| WDR-822 | WDR-822A | WMH-800A.3 | WBH-811A/P |
| WDR-823 | WDR-823A | WMH-800A.4 | WBH-813A/P |
| WFB-821 | WFB-821A | WMH-800A.5 | WXH-811A/P |
| WFB-822 | WFB-822A | WMH-800A.6 | WXH-813A/P |
| FCK-821 | FCK-821A | WGQ-871A | WXH-803A/P |
| FCK-822 | FCK-822A | WGQ-871 | FCK-851/1/P |
| WKB-821 | WKB-821A | WKB-801 | WXH-831A |
| WXH-821 | WXH-821A | WKB-802.1 | WXH-832A |
| WXH-822 | WXH-822A | WKB-802.2 | WDR-831A |
| WXH-821C | WBH-817C | WKB-802.3 | WDR-832A |
| WXH-822C | WBH-818C | WKB-802.4 | WCB-831A |
| WXH-823 | NWJ-801A | WBT-851 | WCB-832A |
| WXH-825 | WXH-825A | WDR-851 | WBH-831A |
| WBH-811 | WBH-811A | WCB-851 | WBH-832A |
| WBH-812 | WBH-812A | WCH-851 | WBT-831A |
| WBH-813 | WBH-813A | WKB-851 | WBT-832A |
| WBH-814 | WBH-814A | ZYQ-823 | WYJ-831A |
| WBH-815 | WBH-815A | ZYQ-824 | WDH-831A |
| WBH-801 | WBH-801A | ZYQ-811 | WDH-832A |
| WBH-802 | WBH-802A | ZYQ-812 | FCK-831A |
| WXH-811 | WXH-811A | ZSZ-815 | FCK-832A |
| WXH-812 | WXH-812A | ZSZ-811 | WCH-831A |
| WXH-813 | WXH-813A | ZSZ-811/A | WDH-833A |
| WXH-814 | WXH-814A | ZSZ-811/B | WFB-831A |
| WXH-815 | WXH-815A | ZSZ-811/C | WFB-832A |
| WXH-816 | WXH-816A | ZFZ-810 | WJE-831A |
| WFB-811 | WFB-811A | ZFZ-811A | WJE-832A |
| WFB-812 | WFB-812A | ZFZ-812A | WZK-811 |
| WFB-801 | WFB-801A | ZFZ-812 | WTX-804 |
| WFB-802 | WFB-802A | FZH-2 | WYH-881 |
| WFB-803 | WFB-803A | WYH-821 | WYH-882 |
| WFB-804 | WFB-804A | WYH-822 | 870系列 |
| WFB-805 | WFB-805A | | |
| FCK-801 | FCK-801A | | |
| FCK-802 | FCK-802A | | |
