Overview

The YOKOGAWA AR-SA Arrester for DC Current Signal is a surge protection device specifically designed to safeguard DC current signal lines operating within the 12 to 30 V DC range. It provides reliable protection against transient voltage surges that can damage sensitive electronic components.

Technical Specifications

• Use: 0 to 100 mA DC (12 to 30 V DC signal line)

Maximum Continuous Operating Voltage (Uc):

• Between lines: 30 V DC
• Between ground: 50 V DC

Permissible Current Leakage:

• Between lines: 5 μA or less (at 30 V DC)
• Between ground: 10 μA or less (at 50 V DC)

Instrument Side Voltage Limit (10 kV, 1.2/50 μA):

• Between lines: 50 V or less
• Between ground: 250 V or less

Voltage Protection Level (Up):

• Between lines: 100 V or less
• Between ground: 350 V or less

Impulse Durability (8/20 μA):

• Category C1: 500 A
• Category C2: 5000 A

Discharge Starting Voltage:

• Between lines: 35 V DC or more
• Between ground: 74 V DC or more

Series Resistance:

• 33 Ω ±10%

Rated Current:

• 100 mA DC

JIS Compliance:

• JIS C 5381-21 (Category: C1, C2)