KSBT C — Surge Protection Device

DynaShield® KSBT C Surge Suppression

The KSBT C series is designed for use at LPZ 1-2 or higher to protect 2 wire single pair unbalanced analog circuits, such as 4-20 mA loops.

  • Slim profile, 6mm DIN rail module
  • Bi-directional silicon diode design
  • Common mode protection
  • 10 A nominal current
  • Fast response
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DynaShield Applications

ALLTEC’s Protection Pyramid depends on DynaShield® products to support its comprehensive facility framework. The second tier of protection diminishes the significance of random high-energy, short-duration electrical power transients through properly installed surge protective devices. These occurrences are typically caused by atmospheric phenomena (such as lightning strikes), utility switching, inductive loads, and internally generated overvoltages. You can view typical installation locations in the application maps to the right by locating the numbers 5 and 6.

Model KSBT 12V C KSBT 24V C KSBT 48V C KSB 60V C
Tested to IEC 61643-21:2011
Number of Ports 2
Technology Silicon Diode
Protection Mode Common Mode
Nominal Voltage UN 12 V 24 V 48 V 60 V
Nominal Current IN 10 A 10 A 10 A 10 A
Maximum Continuous Operating Voltage UC 13 V (9 V~) 48 V (19.5 V~) 58 V (41 V~) 70 V(49.5 V~)
Lightning Impulse Current Iimp (10 x 350 µs) Per Line 0.5 kA 0.3 kA 0.15 kA 0.12 kA
Nominal Discharge Current IN (8 x 20 µs) Total 0.8 kA 0.6 kA 0.3 kA 0.24 kA
Voltage Protection Level at IN ≤ 25 V ≤ 48 V ≤ 90 V ≤ 110 V
Voltage Protection Level at 1 kV/µs> ≤ 18 V ≤ 38 V ≤ 78 V ≤ 95 V
Capacitance (L-L) 1.2 nF 0.6 nF 0.3 nF 0.25 nF
Response Time ≤ 5 ns
Location Category Indoor Only
Method of Mounting Fixed 35 mm DIN rail, Reference EN 50022/DIN46277-3
Dimension (H x W x D) 3.6” x 0.24” x 2.5”
90 mm x 6 mm x 63 mm
Weight (Max) 0.74 lb (0.33 kg)
Maximum Wire Size #12 AWG
Multistrand 2.5 mm2
Operating Temperature -40° F to +176° F (-40° C to +80° C)
Relative Humidity ≤ 95% non-condensing
Altitude ≤ 3000 m
Enclosure Protection Level IP 20
Housing Inflammability Rating Thermoplastic, UL 94 V-0

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