Magnum Vajra Star Delta Control Panel MaU offered by Magnum Switchgear is premium and robust in construction and performance. For higher rated motors these panels are best suited.
- 01Powder-coated MS enclosure for enhanced corrosion resistance and sturdiness.
- 02Rugged MaU contactor with a wide voltage operating band of 250V to 440V.
- 03MaU type overload relay for reliable overload protection.
- 04Push-button locking latch to keep the Stop button locked, preventing accidental motor starting.
- 05Manual reset facility after overload protection is activated.
- 06
SDz5 type preventor with an inbuilt
Star-Delta Timer, providing protection to the motor against:
- Single Phasing
- Phase Reversal
- Voltage Imbalance
- 07
SDz5 Preventor can be operated in three modes:- Auto + SPP: Automatically starts the motor after power resumes and provides Single Phasing Prevention.
- SPP: Provides Single Phasing Prevention only.
- Bypass: Disables Single Phasing Protection and the Auto feature. (Not recommended)
- 08Adjustable ON Time Delay Start: Provision to set a start delay from 30 seconds to 5 minutes before the motor starts.
- 09Adjustable Star-Delta Conversion Delay: Provision to set a time delay from 6 to 30 seconds during Star-Delta conversion.
- 10Crimping lugs: All electrical connections are terminated using appropriate crimping lugs for secure and reliable connections.
- 11Digital meter: Displays Voltage and Current.
- 12Indication lamps for Power ON and Pump Run status.
- 13Dry-Run Preventor provision: Terminals D1 & D2 are provided for connecting a Dry-Run Preventor.
- 14Ergonomic design with aesthetic looks for easy and quick mounting.
- 15No screw protrusion from the panel, providing additional safety against water, dust, corrosion, and electrical shock.
- 16Auxiliary contact provision: Suitable for an auxiliary contact block with 1NO + 1NC configuration.
- 17Gasketed enclosure for enhanced protection against the ingress of dirt and water.
Power rangeUp to 20 HP
Coil Voltage440 V
Operating Voltage70% to 110% of coil voltage
Pick up voltageMinimum 60% of coil voltage
Drop off voltageBelow 50% of coil voltage
Contactor 4PMaU 4P (16A, 25A, 32A)
Relay 4PMaU (4P)
Area(360 × 380 × 143) mm
Net Weight9.9 – 10.0 Kilo grams
Frequency50Hz
Insulation Voltage Ac (Vi)660V
Ambient Temperature-25°C to +55°C
Terminal Capacity1 × 16 [or] 2 × 10 (mm)²
Magnum Vajra MaU Star-Delta Control Panels are powerful switching & controlling devices which are used for agricultural and industrial installations. These are found in applications such as,
Big Electric Motors
Three Phase Submersible Pumps only