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Leviton Type 1 Secondary Surge Arrester


Leviton Type 1 Secondary Surge Arrester

1.14 LBS
Calculated at checkout

Product Description


Leviton Type 1 Secondary Surge Arrester used in Type 1 & Type 2 Applications. 

Product Description

Protect your home or small business from external sources of high voltage spikes with the Leviton Type 1 Secondary Surge Arrester. This Type 1 device protects against lightning strikes entering into main service panels or electrical equipment with high exposure to lighting, such as farming irrigation systems and pumps used in oil/petrochemical applications. The surge arrester features rugged housing constructed of high-impact, non-conductive fiberglass-reinforced polycarbonate rated for outdoor use.

  • Protects against lighting strikes and external transient surges
  • Real-time diagnostic LEDs monitor power and suppression status for each phase
  • Provided with #10 AWG stranded, 18-inch long pigtail leads
  • May also be used in Type 2 applications

This surge arrester’s use of a single, large 40mm MOV per line (each phase-to-neutral) provides a higher energy capacity than multiple small MOV configurations where the protection is only as good as the weakest MOV in the chain.

Type 1 surge arresters are typically mounted on the line side of the main service entrance to protect against external surges caused by lightning or utility capacitor bank switching. The arrester is connected between each of the two incoming Lines and Neutral.

Stand-Alone or Whole System Protection

Leviton’s Surge Protection Devices can be used individually or as part of a coordinated application strategy, to protect sensitive electronic equipment, in industrial, commercial and residential locations, from the stress and degradation inflicted by voltage transients. Leviton Surge Protection Devices are compliant with UL 1449 Standards. Leviton’s outstanding Surge Protection Devices divert damaging voltage transients, or surges, away from electronic equipment. Transients are diverted away from sensitive micro circuitry, providing protection against catastrophic failure, costly downtime and data disruptions.

What is a Transient Voltage Surge?

Transient voltage surges are short-term deviations from a desired voltage level or signal that can occur at any time. Such changes can result in an electronic device malfunction, or cause extensive damage. Also termed "spikes", these occurrences take place as a result of magnetic field/inductive coupling or whenever the line current is interrupted. They can originate from either inside a facility, or derive from outside utility lines. Sources within a facility involve loads that are switched, such as electric motors that are turned ON and OFF and are addressed by devices applied at point-of-use equipment.



  • Voltage: 120/240V Single Phase
  • Frequency: 50/60Hz
  • Surge Technology: TPMOV


  • Flammability: Rated V-2 per UL94
  • Operating Temperature: 14 to 140 degrees F (-10 to 60 degrees C)
  • Storage Temperature: -4 to 185 degrees F (-20 to 85 degrees C)


  • Enclosure: Polycarbonate with UV inhibitors


  • Enclosure Type: NEMA 3R
  • Connection Type: Parallel Connection: Hardwired via 10AWG wire
  • Diagnostics: Protection Status LEDs and Audible Alarm

Performance Data

  • MCOV: 150V
  • Nominal Discharge Current Rating: 20kA
  • Maximum Surge Current, Per Mode (Per Phase): 50kA (50kA)
  • Voltage Protection Rating (VPR) (Clamping) L-N/L-L: 600V/800V

Standards and Certifications

  • ETL Certified: UL 1449 3rd Ed, Type 1 Device
  • National Electric Code (NEC): 285
  • ANSI/IEEE Category C: C-62.11, C-62.41 and C-62.45


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