SCHNEIDER DRIVES

A LOW COST, COMPACT SOLUTION. ALTIVAR 21 OPTIMIZES CONTROL WHEN PROCESSING FLUIDS (TEMPERATURE, FLOW, PRESSURE, ETC..) . ALTIVAR 12 VARIABLE SPEED DRIVES CONTROL 3 PHASE ASYNCHRONUS MOTORS 0.75 AND 75KW. THIS RANGE IS PARTICULARY SUITED TO HEATING, VENTILATION AND AIR CONDITIONING APPLICATIONS, WHERE THE DRIVES CAN GENERATE MAJOR SAVINGS.

A ROBUST AND RELIABLE PRODUCT. ALTIVAR 21 IS PARTICULARY ROBUST AND IS ABLE TO OPERATE IN ALL ENVIROMENTS. IP54 PROTECTION ENSURE CONTINUOUS OPERATION, EVEN IN HARSH ENVIROMENTS UP TO 50oC

ESSENTIAL FUNCTIONS : - DETECTION OF UNDER / OVERLOADS, LOSS OF PUMP PRIMING. - DETECTION OF BROKEN DRIVE BELT. - LIMITAION OF LOW SPEED RUNNING TIME. - SLEEP  / WAKE - UP FUNCTION. - SWITCHING OF TWO MOTORS. - SMOKE EXTRACTION SYSTEM (FAULT INHIBIT). - PRESET SPEEDS, ECT. - C - LESS TECHNOLOGY FOR REDUCED HARMONICS.
	PLEASE DOWNLOAD THE DATA SHEET TO THE LEFT FOR THE FULL COMPREHENSIVE PROGRAMMING MANUAL TO SUIT THE ATV21 DRIVES.