RAB DESIGN SPD-50KA Surge Protector

March 27, 2026

RAB DESIGN’s easy to install SPD-50KA safeguards electrical systems from external voltage spikes, mitigating disruptive outages due to equipment failure.

Features

  • Type 1, 120V/240V AC Single Phase, 50KA UL and NEMA4X certified.
  • ¾” NPT Side Mount, with 3 x 14.5’ 12AWG wires UL & NEMA4X certified.
  • Visual LED indicator to know if device is active or has sacrificed itself to save the equipment.

Technical Specifications

Voltage120V/240V AC Single Phase
Max Continuous Operating Voltage (MCOV)150V L-G, 320V L-L
Voltage Protection Rating (VPR)700V L-G, 1200V L-L
Surge Capacity Per Phase (Imax)50 kA
Short Circuit Current Rating (SCCR)200 kA
Nominal Discharge Current (In)10 kA
Green LED IndicatorON – OK, OFF – Needs Replacement
Operating Frequency50/60Hz
SPD TypeType 1
Wires14.5″ (3×12 AWG)
Ambient Operating Temperature-40°C to 75°C (-40°F to 167°F)
HousingPlastic
FinishGrey
MountingSide Mount 3/4″ NPT
CertificationsUL Listed per UL1449 Type 1, NEMA 4X

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