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120/208V 3-Phase WYE Panel Protector, 4-Mode Protection, 50kA Max Surge Current Rating, NEMA 1 Enclosure, UL 1449 4th Edition Type 2

120/208V 3-Phase WYE Panel Protector, 4-Mode Protection, 50kA Max Surge Current Rating, NEMA 1 Enclosure, UL 1449 4th Edition Type 2

$740.99 USD
$740.99 USD
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120/208V 3-Phase WYE Panel Protector - Surge Protective Device

The Leviton 120/208V 3-Phase WYE Panel Protector (Model 51120-3) is a Type 2 surge protective device (SPD) designed for branch panel mounting to protect residential and small commercial electrical systems from high voltage transients. This device is suitable for use in electrical distribution systems requiring protection against surges and transient voltage spikes, making it ideal for electrical distributors, lighting solutions providers, wire and cable suppliers, and switchgear suppliers seeking reliable surge protection solutions.

Specifications

  • Voltage: 120/208V AC, 3-Phase WYE
  • Frequency: 50/60 Hz
  • Connection Type: Parallel hardwired via 12 AWG wire
  • Maximum Surge Current, Per Mode: 48kA (96kA total)
  • Nominal Discharge Current (IN): 3kA
  • Maximum Continuous Operating Voltage (MCOV): 150V (L-N) / 300V (L-L)
  • Voltage Protection Rating (VPR): 600V (L-N) / 1000V (L-L)
  • Enclosure Type: NEMA 1 metal enclosure
  • Operating Temperature: -10°C to 60°C
  • Flammability Class: Rated V-2 per UL 94
  • Product Weight: 4.34 lbs
  • Manufacturer: Leviton
  • Manufacturer Part Number: 51120-3

Features

  • UL 1449 4th Edition Type 2 Listed for surge protection
  • Solid-state semiconductor SPD circuitry with independent fusing for each phase
  • Green LED diagnostic indicators for real-time protection status monitoring
  • Standard J-Box metal enclosure with pre-punched knockouts for easy surface or flush mounting
  • Designed for branch panel mounting with minimal lead length to optimize surge protection
  • Compatible with copper or copper-clad wire only
  • Meets IEEE C62.41-1991 category A & B combination wave suppression
  • Provides connected equipment coverage up to $25,000 as part of Leviton’s True Whole House Surge Protection Warranty*
*Note: Connected equipment coverage and warranty details are subject to terms and conditions outlined by Leviton. This panel protector is engineered to be installed by a qualified electrician on branch circuits served by 20-amp circuit breakers or fused disconnect switches. It is intended for use in environments where high transient voltages may damage sensitive electrical and electronic equipment. The device’s compact NEMA 1 enclosure and diagnostic LEDs facilitate easy installation and maintenance, ensuring reliable surge protection in three-phase WYE electrical systems.

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