Product description:

• Surge protective device for signal system 4-20mA control line.
• For installation at LPZ 0A-2 or higher, or directly at the upstream near the protected devices.
• Provide protection for measuring and controlling system, such as the field bus, input/output interface of the 0-20mA, 4-20mA control line.

Main characteristics:

• Composed by two parts: the base and the protection module.
• The signal will not be disconnected when replacing the module.
• High discharge capacity.
• Low voltage protection level.
• Durable construction.
• Simple installation.

Parameters:

• Type: BS LC 24.
• Order number: 610 005.
• Nominal voltage DC UN: 24V.
• Rated voltage (maximum continuous AC voltage) Uc: 26V-/19V~.
• Nominal current IL: 0.5A.
• Lightning discharge current (10/350) Iimp: 2.5KA (per line), 5KA (total).
• Nominal discharge current (8/20) In: 10KA (per line), 20KA (total).
• Voltage protection level at Iimp Up: ≤90V (line-line), ≤45V (line-PG).
• Response time Ta: ≤ 1ns (line-line), ≤1ns (line-PG).
• Series impedance per line R: 2.2Ω.
• Capacitance: ≤ 0.7nF (line-line), ≤1.3nF (line-PG).
• Operating temperature rangeθ: -40℃~+80℃.
• Bandwidth fG: 5.1MHz (AD/PG).
• Cross-sectional area: maximum 2.5mm2 flexible.
• Mounting on: 35mm DIN rail.
• Enclosure material: orange thermoplastic, UL94-V0.
• Test standards: YD/T 1542; GB 18802.21; IEC 61643-21.
• Certification: CE (LVD, EMC).