AUTO RECLOSERS 12kV, 800A, 20kA & 36kV, 800A, 20kA

SRIWIN ELECTRIC, an ISO 9001-2015 certified company, offers a unique, space–saving, magnetic actuator operated, outdoor, Pole/Structure mounted, three-pole, gang-operated Vacuum Auto Reclosers, that perfectly meet the requirements of modern Distribution Automation. These reclosers are available in 12kV & 36kV Voltage Ratings.  The application areas include Urban & Rural, Primary & Secondary Power Distribution Segments.

12kV Auto Recloser

12kV Auto Recloser

12kV, 800A, 20kA Auto Recloser

36kV Auto Recloser

36kV Auto Recloser

36kV, 800A, 20kA Auto Recloser

  • Unique Single-box Solution
  • Package consists of:
  • o 3 pole, gang operated Vacuum Auto Recloser
    o Bushing Embedded Epoxy Resin Cast, Dry Type, Current Transformers
    o Integral Control Cabinet
    o PMA Controller
    o In-built battery & battery charger
  • Permanent Magnetic Actuator (PMA) Operating Mechanism
  • 20, 000 Mechanical Operations
  • Maintenance-free
  • Hydrophobic Cycloaliphatic Epoxy (HCEP) Resin Bushings
  • Terminal Connector to suit Overhead Conductor/Cable
  • Mechanical Trip & Lock-out facility
  • Truly space-saving
  • Suitable for rigorous outdoor environment
  • Suitable for Single-pole or Double-pole or Structure mounting
  • Reduced Installation Time
  • Long Electrical & Mechanical Life
  • Suitable for frequent switching
  • Suitable for unmanned sub-stations/locations
  • Suitable for Urban/Rural Power Distribution
  • Suitable for Primary/Secondary Power Distribution
  • Less Downtime
  • Reduced Lifecycle cost
  • Reduced Total Cost of Ownership
  • Increased Availability
  • Increased Revenue
  • Hazards of Oil-filled CTs avoided
  • Suitable for multi-shot rapid auto-reclosing
  • Can be used as a Sectionaliser
  • Can be used as a Feeder Breaker
  • SCADA/DMS compatible

• 3 stage Overcurrent Protection (Directional/Non- Directional)
• Fast & Delayed Trip Curves for Phase Fault/EarthFault
• 50 types of Trip Curves (IEC, ANSI, Recloser Curves, Customized Curves)
• Definite Time Element
• Negative Sequence Overcurrent Protection
• Sensitive Earthfault (SEF) Protection
• Cold Load Pick-up (CLPU) Protection
• Inrush Restraint Element
• Sequence Coordination
• Broken Conductor Protection
• Check Synchronizing Element
• Auto Reclosing (5 shots)
• 4 setting groups
• Automatic Setting Group Change depending upon power flow direction 

  • Local/Remote
  • Open/Close
  • Recloser ON/OFF
  • Protection ON/OFF
  • Earth Fault Protection ON/OFF
  • Reset
  • Battery Test
• Recloser Status: ON/OFF
• Control Position: Local/Remote
• Fault Indication (R, Y, B, N, SEF, Directional)
• Broken Conductor
• Synchronization Fail
• Hot Line
• Inrush Detected
• Mechanical Lock-out
• Loss of AC Aux. Power
• Control Cabinet Door Open
• Battery overcharged
• Battery Charger Error
• System Error (self-diagnosis)
  • Source Side Voltage
  • Load Side Voltage (Optional)
  • Current
  • Active Power (kW)
  • Reactive Power (kVAr)
  • Apparent Power (kVA)
  • Active Energy (kWh)
  • Reactive Energy (kVArh)
  • Power Factor
  • Frequency
  • Phase Angle
  • Harmonics (upto 32nd)
  • Total Harmonic Distortion (THD)
  • FRTU Restart Counter
  • Recloser Trip Counter
  • Fault Counter (R, Y, B, N, Total)
  • Over 20,000 event records
  • Waveform Record
  • Fault Recorder (upto 4 faults)
  • Maximum Demand–current
  • Maximum Demand–power
  • SCADA: DNP 3.0, IEC 60870-5-101, IEC 60870-5-104 (Optional)
  • Setting: MODBUS
  • External PT
  • Lightning Arrestors (on the Incoming Side)
  • Lightning Arrestors (on the Outgoing Side)
  • Lightning Arrestors (Both Sides)
  • Integral/External Control Transformer
  • Tariff Meter
  • External FRTU
  • MODEM
  • Auto Reclosers with 15 kV & 38 kV (60 Hz.) IEEE/ANSI Ratings–optional
  • Micro-controller based
  • In-built SMPS for Capacitor Charging
  • High capacity MOSFET for Switching
  • Operates on a wide range of aux. supply
  • In-built Trip Circuit Supervision
  • In-built Self-diagnosis
  • In-built high energy Capacitor Banks for Closing/Tripping
  • Pulse Width Modulated (PWM) output to Close/ Trip Coils
  • Optional Output Contacts for Trip Circuit Healthy & PMA Controller Healthy

Guaranteed Technical Particulars

PARAMETER 12kV 36kV
Rated Voltage (kV) 12 36
Rater Frequency (Hz.) 50/60 50/60
Rated One Minute Power Frequency Withstand Voltage (Wet) (kV) 28 70
Rated Lightning Impulse Withstand Voltage (1.2/50µs) (kVp) 75 170
Rated Current (A) 800 800
Rated Short Circuit Breaking Capacity (kA) 20 20
Rated Short Circuit Making Capacity (kAp) 50 50
Rated Short Time Withstand Current for 3Sec. (kA) 20 20
Rated Operating Sequence O-500ms-CO-2s-CO-5s-CO
Closing Time < 65ms
Opening Time < 45ms
Mechanical Life 20000 Operations
Electrical Life at Rated Current 20000 Operations
Electrical Life at 100% Short Circuit Breaking Capacity 100 Operations
Auxiliary Contact 4 N.O. + 4 N.C.
Interrupting Medium Vacuum
Insulation Medium Solid Dielectric
Operating Mechanism Permanent Magnetic Actuator
Degree of Protection (Switching Unit) IP 65
Degree of Protection (Control Cabinet) IP 65
Standard IS/IEC 62271-111

SRIWIN ELECTRIC PRODUCTS