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Type 2 Surge Protective Device, 480Y/277 VAC, Three Phase WYE

X3277-YC

X Series Type 2 Surge Panel, 480Y/277 VAC, Three Phase WYE, Max Surge Current Rating of 200kA per Mode/400kA per Phase, 200kA Short Circuit Current Rating (SCCR), 20kA I-nominal (ln) Rating, NEMA 4 Rated Enclosure, Thermally Protected MOVs, VPR Performance Data = L-N: 1200, L-G: 1200, N-G: 1200, L-L: 2000, Maximum Continuous Operating Voltage (MCOV): 320V/700V, Plastic Enclosure, LED Status Monitoring, Audible Alarm, Surge/TOV Counter with Time & Date Stamp, UL 1449 Listed, UL 1283 EMI/RFI Filtering

  • Leviton surge protective devices (SPDs) divert damaging voltage transients, or surges, away from electronic equipment
  • With high levels of protection and advanced features including surge counters and performance monitoring, the X Series are DESIGNED TO PROVIDE THE GREATEST LEVEL OF PROTECTION FOR HOMES OR FACILITIES where surge damage would lead to excessive loss or downtime on expensive machinery
  • X Series Advanced TOV/Surge Counter logs event history, statistics, voltage & configuration, rating information, and more
  • Code Compliant – in 2020, Article 230.67 of the National Electrical Code® (NEC) updates required all services supplying dwelling units to be provided with a surge protective device (SPD), as an integral part of equipment or located immediately adjacent. The SPD must be a Type 1 or Type 2 SPD. The 2023 code expanded the requirements to dormitory units, guest rooms and guest suites of hotels and motels, and areas of nursing homes and limited-care facilities used exclusively as patient sleeping rooms
UPC Code: 07847700036 6

Product Information

  • Electrical Specifications

    Frequency : 0-60Hz

    MCOV : 320V

    Recommended Circuit Breaker Rating : 20A

    Short Circuit Current Rating : 200kA

    Surge Technology : Thermally Protected MOVs

    Type : 2

    Voltage Configuration : 480Y/277 VCA/CA WYE

  • Environmental Specifications

    Humidity Range : 0 to 95% Non-Condensing

    Storage Temperature : -31°F to 167°F (-35°C to 75°C)

  • Product Features

    Disconnect Switch : No

    Filtering : Yes

    Replaceable Modules : No

    Series : X Series

    Surge Counter : Surge and TOV Counter

  • Warranty

    Warranty : 10-Year Limited

  • Performance Data

    Nominal Discharge Current Rating : 20kA

    Remote Monitoring : Form C Dry Contacts, 240V, 2A

    VPR L-G : 1200.0

    VPR L-L : 2000.0

    VPR L-N : 1200.0

    VPR N-G : 1200.0

  • Enclosure

    Color : White

    Connector : 3/4"-NPT Side Conduit Fitting

    Dimensions : 9.47" x 8.14" x 3.25"

    Enclosure Material : Extruded Al

    Mount : Surface

    NEMA Rating : NEMA 4

  • Standards, Certifications & Compliance

    ANSI/IEEE : C-62.41.1-2002, C-62.41.2-2002 C-62.45-2002

    CSA : CSA C22.2 No. 269.1-17, 2017-02

    California Prop 65 : Compliant

    RoHS : Compliant

    UL : 1449 5th Edition: 2021, cULus

Max Surge Current Rating (Surge Capacity)

  • The maximum amount of current the device is capable of diverting to ground during a single surge event without performance degradation of more than 10%
  • Higher values are better


Nominal Discharge Current Rating (In)

  • The amount of current the device can divert to ground 15 times under specific test conditions and maintain performance levels
  • Higher values are better


Voltage Protection Rating (VPR)

  • The maximum voltage a surge protector will let through to connected devices
  • Lower values are better


Short Circuit Current Rating (SCCR)

  • The maximum current a device or system can safely withstand for a specified time, or until a specified fuse or circuit breaker opens and clears the circuit


Maximum Continuous Operating Voltage (MCOV)

  • Maximum line voltage (or V rms) that may be applied to the SPD without damaging the MOV
  • A lower MCOV rating allows for a lower VPR, but decreases the life of an MOV


Modes of Protection

  • A mode is a path that has an SPD component between two electrical points
  • More modes is better
  • 7-Mode example:
    • L1-N, L2-N, L3-N, L1-G, L2-G, L3-G, N-G

  • N_A

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