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Surge protection

Eaton CVX series

Eaton’s CVX surge protective device protects your investment in critical equipment and processes from the damaging effects of voltage transients. Designed for installation on individual equipment disconnects, in addition to service entrances and branch panels, the CVX provides enhanced surge protection for current capacities of 50 kA or 100 kA per phase.

Protect your investment

Industrial equipment is an expensive investment and it deserves to be protected. The CVX is designed to protect expensive machinery from the dangers of voltage transients.

Compact footprint for easy deployment

Eaton’s CVX device occupies less than 27 square inches, meaning that a lack of space won’t prevent you from protecting your equipment.

Made for any environment

A compact UV-resistant NEMA 4x enclosure means this surge protection device can be using in indoor or outdoor applications

Related surge videos

    Specifications
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    Product specifications

    PEAK KA PER PHASE

    50, 100

    PEAK KA PER MODE

    50

    NOMINAL DISCHARGE CURRENT

    20 kA

    SHORT-CIRCUIT CURRENT RATING

    100 kA

    INPUT POWER FREQUENCY

    47-420 Hz (50/60 Hz typical)

    NUMBER OF PORTS

    1

    SPECIFIC ENERGY

    100 kJ/ohm

    WEIGHT

    2.0 lb (1.0 kg)

    OPERATING TEMPERATURE

    -25°C to + 60°C

    (-13°F to +140°F)

    VIBRATION TESTED

    IEC 60255-21-1 and IEC 60255-21-2

    SINGLE-PHASE
    SPLIT-PHASE
    THREE-PHASE HIGH LEG DELTA
    THREE-PHASE WYE
    THREE-PHASE DELTA
    DIRECT CURRENT
    SYSTEM VOLTAGES AVAILABLE (VAC)
    SINGLE-PHASE

    200

    208

    220

    230

    240

    277

    380

    400

    440

    460

    480

    SPLIT-PHASE

    100/200

    110/220

    120/240

    THREE-PHASE HIGH LEG DELTA

    240

    THREE-PHASE WYE

    100/175

    110/190

    120/208

    127/220

    220/380

    230/400

    240/415

    277/480

    305/525

    347/600

    THREE-PHASE DELTA

    200

    208

    220

    230

    240

    380

    400

    415

    440

    480

    525

    600

    PROTECTION MODES
    SINGLE-PHASE

    L-N

    N-G

    L-G

    SPLIT-PHASE

    L-N

    N-G

    L-G

    L-L

    THREE-PHASE HIGH LEG DELTA

    L-N

    N-G

    L-G

    L-L

    H-N

    H-G

    H-L

    THREE-PHASE WYE

    L-N

    N-G

    L-G

    L-L

    THREE-PHASE DELTA

    L-G

    L-L

    CVX050 voltage ratings

    SYSTEM CONFIGURATION
    NOMINAL SYSTEM VOLTAGE
    230L
    SYSTEM CONFIGURATION

    Single-phase two wire + ground

    NOMINAL SYSTEM VOLTAGE

    200, 208, 220, 230, 240, 277

    480L
    SYSTEM CONFIGURATION

    Single-phase two wire + ground

    NOMINAL SYSTEM VOLTAGE

    380, 400, 440, 460, 480

    240S
    SYSTEM CONFIGURATION

    Split-phase three wire + ground

    NOMINAL SYSTEM VOLTAGE

    100/200, 110/220, 120/240

    208Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    100/175, 110/190, 120/208, 127/220

    480Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    220/380, 230/400, 240/415, 277/480

    600Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    305/525, 347/600

    240D
    SYSTEM CONFIGURATION

    Three-phase delta three wire + ground

    NOMINAL SYSTEM VOLTAGE

    200, 208, 220, 230, 240

    240H
    SYSTEM CONFIGURATION

    Three-phase high leg delta

    NOMINAL SYSTEM VOLTAGE

    240

    480D
    SYSTEM CONFIGURATION

    Three-phase delta three wire + ground

    NOMINAL SYSTEM VOLTAGE

    380, 400, 415, 440, 480

    600D
    SYSTEM CONFIGURATION

    Three-phase delta three wire + ground

    NOMINAL SYSTEM VOLTAGE

    525, 600

    048DC
    SYSTEM CONFIGURATION

    Direct current

    NOMINAL SYSTEM VOLTAGE

    48 Vdc

    125DC
    SYSTEM CONFIGURATION

    Direct current

    NOMINAL SYSTEM VOLTAGE

    125 Vdc

    CVX050

    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)
    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)
    230L
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    320 L-N

    640 L-G

    320 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-N

    1200 L-G

    1200 N-G

    480L
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    550 L-N

    110 L-G

    550 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1800 L-N

    4000 L-G

    1800 N-G

    240S
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    300 L-G

    150 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-L

    700 L-N

    1200 L-G

    800 N-G

    208Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    300 L-G

    150 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-L

    700 L-N

    1200 L-G

    800 N-G

    480Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    640 L-L

    320 L-N

    630 L-G

    320 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    2500 L-L

    1200 L-N

    2000 L-G

    1200 N-G

    600Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    840 L-L

    420 L-N

    840 L-G

    420 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    2500 L-L

    1500 L-N

    2500 L-G

    1500 N-G

    240D
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    640 L-L

    320 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    2000 L-L

    1200 L-G

    240H
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    150 L-G

    640 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1500 L-L

    700 L-N

    1200 L-G

    700 N-G

    480D
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    1100 L-L

    550 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    3000 L-L

    1800 L-G

    600D
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    1100 L-L

    700 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    3000 L-L

    2500 L-G

    048DC
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    130 L-L

    65 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)
    125DC
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    288 L-L

    144 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    CVX100 voltage ratings

    SYSTEM CONFIGURATION
    NOMINAL SYSTEM VOLTAGE
    230L
    SYSTEM CONFIGURATION

    Single-phase two wire + ground

    NOMINAL SYSTEM VOLTAGE

    200, 208, 220, 230, 240, 277

    480L
    SYSTEM CONFIGURATION

    Single-phase two wire + ground

    NOMINAL SYSTEM VOLTAGE

    380, 400, 440, 460, 480

    240S
    SYSTEM CONFIGURATION

    Split-phase three wire + ground

    NOMINAL SYSTEM VOLTAGE

    100/200, 110/220, 120/240

    208Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    100/175, 110/190, 120/208, 127/220

    480Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    220/380, 230/400, 240/415, 277/480

    600Y
    SYSTEM CONFIGURATION

    Three-phase wye (star) four wire + ground

    NOMINAL SYSTEM VOLTAGE

    305/525, 347/600

    240D
    SYSTEM CONFIGURATION

    Three-phase delta three wire + ground

    NOMINAL SYSTEM VOLTAGE

    200, 208, 220, 230, 240

    240H
    SYSTEM CONFIGURATION

    Three-phase high leg delta

    NOMINAL SYSTEM VOLTAGE

    240

    480D
    SYSTEM CONFIGURATION

    Three-phase delta three wire + ground

    NOMINAL SYSTEM VOLTAGE

    380, 400, 415, 440, 480

    CVX100

    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)
    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)
    230L
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    320 L-N

    320 L-G

    320 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-N

    1200 L-G

    1200 N-G

    480L
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    550 L-N

    550 L-G

    550 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1800 L-N

    1800 L-G

    1800 N-G

    240S
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    150 L-G

    150 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-L

    700 L-N

    800 L-G

    700 N-G

    208Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    150 L-G

    150 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1000 L-L

    600 L-N

    700 L-G

    700 N-G

    480Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    640 L-L

    320 L-N

    320 L-G

    320 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1800 L-L

    1200 L-N

    1200 L-G

    1200 N-G

    600Y
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    840 L-L

    420 L-N

    420 L-G

    420 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    2500 L-L

    1500 L-N

    1500 L-G

    1500 N-G

    240D
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    640 L-L

    320 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1800 L-L

    1200 L-G

    240H
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    300 L-L

    150 L-N

    150 L-G

    150 N-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    1200 L-L

    700 L-N

    700 L-G

    700 N-G

    480D
    MAXIMUM CONTINUOUS OPERATING VOLTAGE (MCOV)

    1100 L-L

    550 L-G

    UL 1449-4 VOLTAGE PROTECTION RATING (VPR)

    3000 L-L

    1800 L-G

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