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Eaton’s CM52 network protector is a low-maintenance network protector that virtually eliminates adjustments, is easy to troubleshoot and has built-in diagnostics. It has the highest interrupting rating in the industry and is the only network protector to carry both a UL certification and BIL rating. It is designed to handle ratings 800 to 4500 A, 216 to 600 V. Testing is quick and safe with a four-position, dead-front, draw-out design.
| Maximum design voltage (V) |
600 | |
| Impulse withstand voltage (kV BIL) |
10 | |
| Maximum continuous current rating (50/60 Hz) (A) |
800 to *6200 | |
| Load break current, (50/60 Hz) (A) |
800 to *6200 |
|
| Sym interrupting rating (kA) |
42 to 85 |
|
| Withstand rating (kA) |
42 to 85 |
|
| Sym fault close and latch rating (kA) |
35 to 65 |
|
| Mechanical Operations |
10,000 |
|
| *6200 A ratings available in open frame styles only |
| IEEE Standard Requirements for Secondary Network Protectors |
IEEE Std C57.44-2014 |
|
| IEEE Standard for Secondary Network Transformers Subway and Vault Types (Liquid and Immersed)-Requirements |
IEEE Std C57.40-2011 |
| 1/4“ Copper bearing steel, submersible | |
| 316 stainless steel, submersible | |
| NEMA 4 non-submersible |
| Relay |
MPCV Sequence-Based Relay |
|
| Visible Isolation |
Rem-Rack (Remote Racking) |
|
| Visual Indication |
Stacklight |
|
| Secondary Visual Disconnect |
VisoBlock |
|
| Wireless Communication |
RAD (Remote Access Device) |
|
| Diagnostics |
IDM (Indicating Module) |
|
| Arc Flash Mitigation |
NPARMS (Arcflash reduction maintenance system) |
|
| Surge Protection |
TripSafe |
|
| Remote Operation |
Pendant/RAD/VaultGard/HMI |
| Grid Networks |
Up to 600 V |
| Spot Networks |
Up to 600 V |
| Communications |
VaultGard, NPServe and RAD compatible |
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