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Interface protection device with power transmission SP-I -24 / 1,5

SP-I -24 / 1,5 interface protection device with power transmission is designed for the surge protection (lightning, electrostatic discharges, etc.) of industrial automation equipment, dispatching and security systems which use RS-485, RS-422, M-bus, CAN two-wire lines and their modifications, within 2 ÷ 3 lightning protection zones (according to IEC 61312-1). The device ensures 24 V DC power supply via signal pairs with current rating up to 5 А.

Protected equipment: alarm and automation system controllers, actuating devices, telemetry and metering systems.

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Specification

DescriptionValue
Number of protected pairs1
Nominal operating voltage UN24 V DC
Max. continuous operating voltage UС28 V DC
Nominal operating current IN1,5 А
Rated load current IL<5 А
C2 Nominal discharge current (8/20 μs) In2 kА
C2 Max. discharge current (8/20) (Imax)10 kА
C2 Voltage protection level at In45 V
Maximum pulse power dissipation by TVS diodes Pppm1500 W
Response time tA, maximum10ns/100ns
Inserted inductance, max10 µH
Data transmission rate, maximum1 Мбит / s
Cross-section of connected wires, maximum2,5 mm2
Operating temperature range– 55°С ¸ +85°С
Overall dimensions89 х 58 х 35 mm
Gross weight90 g
Test category per IEC 61643-21А2, В2, С2, С3, D1