SWITCH 3VA21; 3-SPEED IN=25A; CAPABILITY SHORT?. ICU=200KA@415VAC; WITH CHALLENGE ELECTRONIC ETU320 AND INSTALLATION AND GENERATOR PROTECTION FUNCTIONS LI; WITH SECUR. AGAINST… IR = 10…25A, TR = 0.5??¦17S; WITH SECUR. SHORT – NO SENSOR. II=38…300A; WITHOUT INSTALLED AUXILIARY TRIP FACTORY, NO INSTALLED FACTORY AUXILIARY CONTACTS; WITH FRAME CLAMPS