Overview

The YOKOGAWA AR-PH Arrester for Power Supply is a surge protection device designed to safeguard electrical equipment from transient voltage surges. It provides a reliable and effective means of protecting sensitive components and preventing damage caused by lightning strikes, power grid disturbances, or other electrical anomalies.

Technical Specifications

• Input Signal: 200 V AC
• Output Signal: 200 V AC

Standard Performance:

• Permissible Current Leakage:
  • Between lines: 1 mA or less (at 420 V DC)
  • Between ground: 1 mA or less (at 810 V DC)
• Instrument Side Voltage Limit:
  • Between lines: 1000 V or less (at 10 kV, 1.2/50 μs)
  • Between ground: 1800 V or less (at 10 kV, 1.2/50 μs)
• Surge Discharge Withstand Capacity:
  • Between lines: 1000 A (at 8/20 μs)
  • Between ground: 5000 A (at 8/20 μs)
• Discharge Starting Voltage:
  • Between lines: 420 V or more
  • Between ground: 810 V or more
• Maximum Load Current: 2 A
• Temperature: -10 to 60°C
• Humidity: 5 to 90% RH (no condensation)

Mounting and Appearance:

• Construction: 2 sections construction of main body and terminal base: plug-in screw fastening
• Material: Black, flame deterrent ABS resin (Case body and Terminal base)
• Grounding: JIS Class 3 grounding [100 Ω or less] (with grounding bar)
• Mounting Method: Wall mounting with M4 screw
• Connection Method: M4 screw terminal connection (fastening torque 1.2 N·m or less)
• External Dimension: 55 x 23.5 x 100 mm (H x W x D)
• Mounting Dimension: 90 mm
• Multi-mounting Pitch: 24 mm
• Weight: Approx. 110 g

External Dimension: