SWITCH 3VA21; 3-SPEED IN=100A; CAPABILITY SHORT?. ICU=200KA@415VAC; WITH CHALLENGE ELECTRONIC ETU850 AND INSTALLATION AND GENERATOR PROTECTION FUNCTIONS IN LSI; WITH LCD OFF, COMMUNICATION OPTION, ENERGY, CURRENT, POWER, VOLTAGE MEASUREMENT; WITH SECUR. AGAINST… IR = 40…100A, TR = 0.5??¦25S; WITH SECUR. SHORT – SHORT. ISD = 60…1000A, TSD = 0.05…0.5S; WITH SECUR. SHORT – NO SENSOR. II=150…1200A; WITH CABLE PROTECTION IN = 20…160 A WITH ADDITIONAL TRANSFORMER 3VA9.07-0NA10; WITHOUT INSTALLED AUXILIARY TRIP FACTORY, NO INSTALLED FACTORY AUXILIARY CONTACTS; WITH FRAME CLAMPS