Eaton CVX050/100 Surge Protective Device
Submittal Spec Sheet: PS01005006E
Effective July 2025 | Supersedes September 2023
Introduction
With more than two decades of experience in the surge suppression industry and extensive R&D initiatives, Eaton is considered to be a world leader in surge protective device (SPD) manufacturing.
Application Description
Medium and low exposure level AC power service entrances, branch panels, and/or individual equipment disconnects feed all types of loads.
- Nominal discharge current: 20 kA
- Short-circuit current rating: 100 kA
Features
General Features
- Parallel configured, hardwire connected, SPD
- Peak surge current:
- CVX050: 50 kA
- CVX100: 100 kA
- Warranty: five-year free replacement
Mechanical and Electrical Features
- Enclosure: NEMA® 4X (IP56) polycarbonate weatherproof enclosure (meets or exceeds NEMA 1, 2, 4, 4X, 12, and 13)
- Mounting: threaded conduit fitting and multi-point case mounting holes (external mounting feet available separately)
Optional Features and Equipment
- External mounting feet
- Flush mount plate
Dimensions
Figure 1. Standard dimensions
The device features a conduit fitting with 0.75-inch (19.0 mm) internal taper pipe threads. The enclosure is NEMA® 4X (IP56) rated polycarbonate. Key dimensions include:
- Overall Length: 5.67 inches (144.0 mm)
- Width: 4.75 inches (120.6 mm)
- Height: 4.17 inches (106.0 mm)
- Other dimensions shown in diagrams include 3.39 in (86.1 mm), 2.37 in (60.2 mm), 1.00 in (25.4 mm), 3.55 in (90.2 mm), and 0.17 in (4.3 mm) for mounting holes.
- The diagram indicates a removed lid revealing mounting holes and mounting hole shafts.
Technical Data
Table 1. CVX050/100 voltage ratings
| System Model configuration | Nominal system voltage | MCOV | UL 1449-5 VPR a | ||||||
|---|---|---|---|---|---|---|---|---|---|
| L-L | L-N | L-G | N-G | L-L | L-N | L-G | N-G | ||
| CVX050 | |||||||||
| 230L | 200, 208, 220, 230, 240, 277 | 320 | 640 | 320 | -- | 1200 | 1200 | 1200 | -- |
| 480L | 380, 400, 440, 460, 480 | 550 | 1100 | 550 | -- | 1800 | 4000 | 1800 | -- |
| 240S | 100/200, 110/220, 120/240 | 300 | 150 | 300 | 150 | 700 | 1200 | 800 | -- |
| 208Y | 100/175, 110/190, 120/208, 127/220 | 300 | 150 | 300 | 150 | 700 | 1200 | 800 | -- |
| 480Y | 220/380, 230/400, 240/415, 277/480 | 640 | 320 | 640 | 320 | 2500 | 1200 | 2000 | 1200 |
| 600Y | 305/525, 347/600 | 840 | 420 | 840 | 420 | 2500 | 1500 | 2500 | 1500 |
| 240D | 200, 208, 220, 230, 240 | 640 | 320 | -- | -- | 2000 | 1200 | -- | -- |
| 240H | 240 | 300 | 150 | 150 | 150 | 640 | 1500 | 700 | 1200 |
| 480D | 380, 400, 415, 440, 480 | 1100 | 550 | -- | -- | 3000 | 1800 | -- | -- |
| 600D | 525, 600 | 1100 | 700 | -- | -- | 3000 | 2500 | -- | -- |
| 048DC b | 48 Vdc | 130 | 65 | -- | -- | 125 | -- | -- | -- |
| 125DC b | 125 Vdc | 288 | 144 | -- | -- | -- | -- | -- | -- |
| CVX100 | |||||||||
| 230L | 200, 208, 220, 230, 240, 277 | 320 | 320 | 320 | -- | 1200 | 1200 | 1200 | -- |
| 480L | 380, 400, 440, 460, 480 | 550 | 550 | 550 | -- | 1800 | 1800 | 1800 | -- |
| 240S | 100/200, 110/220, 120/240 | 300 | 150 | 150 | 150 | 1200 | 700 | 800 | 700 |
| 208Y | 100/175, 110/190, 120/208, 127/220 | 300 | 150 | 150 | 150 | 1000 | 600 | 700 | 700 |
| 480Y | 220/380, 230/400, 240/415, 277/480 | 640 | 320 | 320 | 320 | 1800 | 1200 | 1200 | 1200 |
| 600Y | 305/525, 347/600 | 840 | 420 | 420 | 420 | 2500 | 1500 | 1500 | 1500 |
| 240D | 200, 208, 220, 230, 240 | 640 | 320 | -- | -- | 1800 | 1200 | -- | -- |
| 240H | 240 | 300 | 150 | 150 | 150 | 1200 | 700 | 700 | 700 |
| 480D | 380, 400, 415, 440, 480 | 1100 | 550 | -- | -- | 3000 | 1800 | -- | -- |
a UL 1449 5th Edition VPR (voltage protection rating) test environment: All tests performed with 6-inch lead length, positive polarity.
b DC models only available in 50 kA.
Product Selection
Table 2. Catalog numbering system
Example: CVX 050 230L
| Per phase peak surge current | Configuration and voltage ranges (Vac) |
|---|---|
| 050 = 50 kA | 230L = Single-phase--200, 208, 220, 230, 240, 277 |
| 100 = 100 kA a | 480L = Single-phase--380, 400, 440, 460, 480 |
| 240S = Split-phase--100/200, 110/220, 120/240 | |
| 240H = Three-phase high-leg delta--120/240 | |
| 208Y = Three-phase wye (star)--100/174, 110/190, 120/208, 127/220 | |
| 480Y = Three-phase wye (star)--220/380, 230/400, 240/415, 277/480 | |
| 600Y = Three-phase wye (star)--305/525, 347/600 | |
| 240D = Three-phase delta--200, 208, 220, 230, 240 | |
| 480D = Three-phase delta--380, 400, 415, 440, 480 | |
| 600D = Three-phase delta--525, 600 (600D available in 50 kA only) | |
| 048DC = Direct current--48 Vdc a | |
| 125DC = Direct current--125 Vdc a |
a DC models only available in 50 kA.
Standards and Certifications
- Unit listings: UL® 1449 5th Edition; permanently connected
- CE Compliant to IEC 61643-1 Test Classification I and II
- Vibration tested to IEC 60255-21-1 and -2
- Manufacturer qualifications: ISO® 9001:1994 Quality System Certification BSI FM 30833
a CE and UL on AC unit only.
