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BR-MD

BR-MD
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BR-MD

Product catalog summary
Overview: This document provides technical specifications for Surge Protective Devices (SPDs) models BR-MD-12, BR-MD-24, BR-MD-48, and BR-MD-110. These devices are designed to protect electrical equipment from voltage spikes.
Specifications:
  • Test Standards: All models comply with IEC 61643-21.
  • SPD Class: TYPE2 P1 for all models.
  • Nominal Voltage (Un): 12V, 24V, 48V, 110V respectively.
  • Max. Continuous Operating Voltage: DC (Uc): 14V, 33V, 55V, 170V; AC (Uc): 9.5V, 23V, 38.5V, 120V.
  • Nominal Current at 45℃ (IL): 0.5A for 12V, 24V, 110V; 1.7A for 48V.
  • Nominal Discharge Current (In): 10kA total, 5kA per line.
  • Voltage Protection Levels: Line-line and line-PG levels vary per model, with specific values provided for C2 and C3 tests.
  • Series Impedance per Line: 1.8 Ohm for 12V, 24V, 110V; 0.4 Ohm for 48V.
  • Cut-off Frequency Line-PG: Ranges from 2.5 MHz to 16 MHz.
  • Capacitance: Line-line and line-PG capacitance values are specified for each model.
  • Operating Temperature Range: -40℃ to +80℃.
  • Cross Section of Cable: 0.08-2.5mm².
  • Enclosure Material: Polyamide PA 6.6.
  • Degree of Protection: IP 20 when plugged in.
  • Order Codes: D9151, D9152, D9153, D9154 for respective models.
Key Parameters: The document highlights critical parameters such as nominal voltage, maximum continuous operating voltage, nominal discharge current, and voltage protection levels, which are essential for selecting the appropriate SPD model based on specific application requirements.
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Catalog excerpts

BR-MD-1

Let all the circuits get surge protected www.britecelectric.com SPDs for general BR-MD

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.