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The high-performance AR surge arrester absorbs the potential of an inductive lightning surge caused by a lightning discharge to protect electronic instruments. 

The plug-in arrester consists of a separable main unit and terminal block.
Features
  • Absorbs large surge voltages immediately.
  • Simple circuit configuration and excellent adaptability to a distributed control system.
  • Plug-in connection of the main unit with the terminal block, eliminating concerns about an open-circuit state even if the main unit is removed.
  • Support JIS
    • JIS C 5381-21 (category: C1,C2):
      •  AR-SA, AR-HA, AR-TC, AR-RT, AR-HP, AR-LP, AR-SP
      • AR-SY, AR1-B2, AR1-D62
    • JIS C 5381-1 (class Ⅱ): 
      • AR-PS, AR-PH, AR-PW

1 - 12 of 37 Part Numbers
AR-HA
AR-HA
  • Model - Current Signal (48-65 Vdc Signal Line)
  • Adapter - Without an Adapter for DIN Rail Mounting
AR-HA/D
AR-HA/D
  • Model - Current Signal (48-65 Vdc Signal Line)
  • Adapter - With an Adapter for DIN Rail Mounting (AR8-01)
AR-HA/D2
AR-HA/D2
  • Model - Current Signal (48-65 Vdc Signal Line)
  • Adapter - With 2 Adapters for DIN Mounting (AR8-01)
AR-HP
AR-HP
  • Model - 2-Wire System Pulse Signal (90 Vdc or Less)
  • Adapter - Without an Adapter for DIN Rail Mounting
AR-HP/D
AR-HP/D
  • Model - 2-Wire System Pulse Signal (90 Vdc or Less)
  • Adapter - With an Adapter for DIN Rail Mounting (AR8-01)
AR-HP/D2
AR-HP/D2
  • Model - 2-Wire System Pulse Signal (90 Vdc or Less)
  • Adapter - With 2 Adapters for DIN Mounting (AR8-01)
AR-LP
AR-LP
  • Model - 2-Wire System Pulse Signal (50 Vdc or Less)
  • Adapter - Without an Adapter for DIN Rail Mounting
AR1-B2
AR1-B2
  • Model - Communication Line (DC to 300 kHz)
  • Adapter - Without an Adapter for DIN Rail Mounting
AR1-B2/D
AR1-B2/D
  • Model - Communication Line (DC to 300 kHz)
  • Adapter - With an Adapter for DIN Rail Mounting (AR8-01)
AR1-B2/D2
AR1-B2/D2
  • Model - Communication Line (DC to 300 kHz)
  • Adapter - With 2 Adapters for DIN Mounting (AR8-01)
AR1-D6
AR1-D6
  • Model - Communication Line (DC to 2 MHz)
AR1-D6/D2
AR1-D6/D2
  • Model - Communication Line (DC to 2 MHz)
  • Adapter - With 2 Adapters for DIN Mounting (AR8-01)
1 - 12 of 37 Part Numbers

Specifications

Communication

  • BRAIN
  • HART

Current

  • ≤ 1 mA at 200/400/420 Vdc - Permissible Current Leakage
  • ≤ 10 μA at 50/90/160 Vdc - Permissible Current Leakage
  • ≤ 2 µA at 8/40 Vdc - Permissible Current Leakage
  • ≤ 5 µA at 25/30/70/160 Vdc - Permissible Current Leakage
  • 100 mA DC - Rated Current
  • 2 A AC - Rated Current
  • 20 A AC - Rated Load Current

Enclosure, Body Material

  • Flame Deterrent ABS Resin

Humidity

  • 5 to 90 % Relative Humidity, Non-Condensing

Input Signal

  • 0 to 100 mA DC
  • RTD
  • Thermocouples

Mounting

  • DIN Rail
  • JIS Class D Grounding
  • M4 Screw

Operating Temperature

  • -10° to 60° C (14° to 140° F)

Operating Voltages

  • 140-280 Vac - Max.
  • 25-160 Vdc - Max.
  • 8-160 Vdc - Max.

Resistance

  • 33 ohms ± 10 %

Response Time

  • 3 Nanoseconds
  • 5 Nanoseconds

Supply Voltage

  • 100-800 V - Voltage Protection Level (Between Lines)
  • 150-1,500 V - Voltage Protection Level (Between Ground)
  • 20-1,200 V - Instrument Side Voltage Limit (Between Ground)
  • 20-420 Vdc - Discharge Starting Voltage (Between Lines)
  • 2-1,000 V - Instrument Side Voltage Limit (Between Lines)
  • 30-420 Vdc - Discharge Starting Voltage (Between Ground)
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