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Current Monitoring Relays

Current Monitoring Relays
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Product Code : BOCS B1
Product Description

Current Monitoring Relays

These relays are best suitable for monitoring balanced or unbalanced supplies, either of single phase, 3-phase 3-wire or 3-phase 4 wire loads powered by generators, UPS, stabilizers, inverters, or Mains (by Electricity Boards / Utilities); in AMF panels, PCCs, distribution boards and for power monitoring of individual loads / motors / pumps.

FEATURES

  • Fixed/adjustable under/Over trip settings for parameters.
  • Fixed/adjustable trip delays and Power On delays
  • Built-in or external power supply
  • Resetting -Auto or Manual
  • Output contacts : 1 CO or 2 CO
  • Choice of enclosures (DIN-Rail, Flush)
  • Models with Micro-Controller based design
  • Use of SMD Technology
  • User-friendly LED indications

PROTECTIONS / FUNCTIONS

  • Under/over Voltage,
  • Under/Over Current
  • Under/Over Frequency
  • Reverse Power


Supply Voltage

System

110-120/220-240/380-440V Ac ±20%

Auxiliary

12V DC/24/30V DC ± 10%

Ext. Input

1 Amp/5 Amp (secondary) CT or 250/550mA

Output Contact

1 CO

Trip setting (Volts)

EF Trip Setting


Under Current

N.A

Over Current

50%-140% (adjustable) of CT sec.

Power on delay

3.5 sec. ± 1.5 sec (fixed)

Trip time delay

1-10 sec. (adjustable)

Resetting

Auto

Weight

175 gms.

Dimension mm

Overall (LxWxD)

75.5x30x117

Mounting (LxW)

68 centre to centre/ 35mm rail mounting


ZHEJIANG HUAYANG ELECTRIC CO., LTD.
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