Model No. 741: Semi Automatic Star Delta Starter

Description

Features

• Microcontroller based technology.
• Motor starts automatically after on delay time (Setable, One Delay time).
• Amp meter & voltage LED display & also indicator.
• LED Display for all faults & protection indicator.
• After dryer O/L trip restart time setable from 1 min to 180 mins.
• O/L & D/R% Setable.
• Spp/Oil Protection enable disable facility.
• SPP Protection upto motor terminals (Current Sensing).
• Protection from voltage unbalance, Single phasing & dryrun.
• Useful for 3Ph, 3 Hp to 50 Hp Open well monoblock submersible pumps.
• Overload trip current & dryrun trip current show in display.
• Separate Indicator for timer ok SPP/O/L.D.R.

Technical Specifications

• Operating voltage:220 to 460 VAC, 50HZ.
• Trip time delay:4 Sec.
• Dryrun setting:70% of full load current
• Overload setting:130% of full load current
• SPP sensing:Current & voltages