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5/94             ELECTRICAL INSTALL ATION SOLUTIONS FOR BUILDINGS   2CHC 420 001 C0201




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          Protection and safety
          OVRHT3B Sub Distribution and Panelboard – 400A and below





                                    •  Listed to UL 1449 4th Edition for Type 1 SPD applications.
                                    •  50kA per phase protection.
                                    •  Individual thermally fused and protected MOVs.
  5
                                    •  Includes pre-wired pigtail conductors.
                                    •  Multiple MOVs per phase eliminates single point failure.

                                    Technical features
                                    Electrical
                                    Nominal discharge current rating (I-n)  20 kA (Earthling systems 10 kA)
                                    Operating frequency             47–63 Hz
                                    Connection methods              Parallel to load (shunt)
                                                                  914.4 mm (36") of 3.31 mm  (#12 AWG) wires
                                                                                    2
                                    Modes of protection           Model dependent
                                    Fault rating (SCCR)           100 kA IC
                                    Standard monitoring             LED status indicator lights
                                    Mechanical
                                    Weight                        23 kg (5 lbs)
                                    Enclosure type                NEMA 4X, non metallic
                                    Installation location         Indoor/Outdoor
                                    Mounting method                 12.7 mm (1/2")–14 NPT thread
                                    Operating environment         -35 to +80 °C (-31  to +176 °F)
                                    Altitude                      Up to 5000 m (16,400 ft.)
                                    Product design                Individual thermally fused and protected MOVs
                                    Regulatory
                                    UL 1449 4th edition type        Type 1
                                    UL 96A                        Yes
                                    IEEE C62.41.1, .2, C62.45     Yes
                                    Listed by                     UL
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