SWITCH 3VA21; 3-SPEED IN=63A; CAPABILITY SHORT?. ICU=200KA@415VAC; WITH CHALLENGE ELECTRONIC ETU320 AND INSTALLATION AND GENERATOR PROTECTION FUNCTIONS LI; WITH SECUR. AGAINST… IR = 25…63A, TR = 0.5??¦17S; WITH SECUR. SHORT – NO SENSOR. II=95??¦756A; WITHOUT INSTALLED AUXILIARY TRIP FACTORY, NO INSTALLED FACTORY AUXILIARY CONTACTS; WITH FRAME CLAMPS