SPDN-B240-3D - SPDN-B Series

Series: SPDN-B
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Littelfuse products are not designed for, and shall not be used for, any purpose (including, without limitation, automotive, military, aerospace, medical, life-saving, life-sustaining or nuclear facility applications, devices intended for surgical implant into the body, or any other application in which the failure or lack of desired operation of the product may result in personal injury, death, or property damage) other than those expressly set forth in applicable Littelfuse product documentation. Warranties granted by Littelfuse shall be deemed void for products used for any purpose not expressly set forth in applicable Littelfuse documentation. Littelfuse shall not be liable for any claims or damages arising out of products used in applications not expressly intended by Littelfuse as set forth in applicable Littelfuse documentation. The sale and use of Littelfuse products is subject to Littelfuse Terms and Conditions of Sale, unless otherwise agreed by Littelfuse. "Littelfuse" includes Littelfuse, Inc., and all of its affiliate entities.

Surge protective devices (SPDs) provide equipment protection from transient overvoltage events lasting microseconds. By limiting the overvoltage to the equipment during these events, costly damage and downtime can be mitigated. The NEMA-style SPDN series for external panel mount is available for 120 V to 480 V nominal voltage sub-distribution board applications.

Features:

  • More direct modes of protection (L-N, L-G, N-G) in a smaller package
  • Capability to clamp and withstand high-energy transients
  • Stacked Metal Oxide Varistor (MOV) design
  • Installs on the line or load side of the circuit breaker
  • Thermally protected MOV
  • External LED indicator
  • Compact footprint

Benefits:

  • Increases protection and design flexibility
  • Ensures low-residual voltage during high-energy surge events and higher nominal discharge current to prevent disruption, downtime, and degradation or damage to equipment
  • Provides more high-transient voltage protection in a compact, multi-layered structure
  • Simplifies maintenanceówithout impacting the other parts of the electrical systemóby turning breaker off during upkeep
  • Eliminates catastrophic failure
  • Quickly identifies service requirements to avoid loss of protection
  • Offers easy retrofit in existing applications where space is limited

Applications:

  • Construction
  • Food and Beverage
  • HVAC/R
  • Light Industrial
  • Oil and Gas
  • Water/Wastewater
Order Samples

Product Literature


Property (Mouseover for details) Value
Communications No
Input Voltage (V) 240
Input AC Line Frequency (Hz) 50/60
Response Time (ms) <25 ns
I-nominal Rating 20 kA
Indication 1 Green LED (for each phase)
Short Circuit (kA) 200 kA
Protection Class UL Type 1
Operating Temperature -35° to 85°C (-31° to 185°F)
Weight (lbs/g) 1 Lb
Touchsafe Yes
Thermal Protection Yes
Neutral No

Part # Part Description RoHS Pb-free RoHS (2015/ 863/EU) Certificate REACH (SVHC’s) Declaration Halogen Free REACH (SVHC’s) IPC-Material Declaration
SPDN-B240-3D SPD, NEMA, 130KA, 240V, Delta RoHS No 03/20/2023 PbFree No 03/20/2023 CoC_RoHS10_SPDN-B240-3D REACH_SVHC Declaration_SPDN-B240-3D
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