Square D Safety Disconnect Model: HV36RB. Protect your solar PV array. Square D safety disconnects allow you to isolate your solar PV array from the rest of your solar home power system. Provides safety, and meets NEC requirements for safety disconnects.
Amps: 60 Amps
Poles: 2 or 3 for PV
The NEC National Electric Code, section 690.15, requires solar PV arrays to have a disconnecting means isolating the inverter from the Solar PV power source.
Most utility grid-tie inverters which utilize solar PV arrays with voltages above 250 VDC require a 600 VDC rated disconnect. For inverters that do not include a DC disconnect, one of these can be used. Square-D 600 VDC 30, 60, and 100 A 3-pole safety switches are rated by the factory to handle one 600 VDC circuit per pole.
Square D safety disconnect has a 30 Aamp switch rated for 15 A Isc for non-fused and 12.8 A Isc for fused. The 60 A switch is rated for 48 A Isc for non-fused and 38 A Isc for fused. Square D 100 Amp switch rated for 80 A Isc for non-fused and 64 A Isc for fused. Square D safety disconnects are used for disconnecting up to 3 PV arrays for 3 grid-tie inverters.
Square-D 600 VDC disconnects are rated for disconnecting one circuit at full rated power using 2 poles in series.
Many utilities require an AC disconnect between a grid-tie inverter and the AC load center, close to the AC service entrance, and with a visible and lockable handle. A 30 A /240 V disconnect works for up to 5 kW at 240 VAC and the 60 A disconnect works for up to 11 kW. Use an AC load center to connect multiple inverters to a single disconnect.
Square D safety disconnect breakers can be back-fed with the inverter outputs and the load center main lugs will handle the combined outputs to be connected to the AC disconnect. Class R fuses of the proper voltage and amperage for fused disconnects.
Note: 600 V fuses will not fit into 240 V disconnects, and 250 VAC/125 VDC fuses will not fit into 600 V disconnects.
Dimensions (Inches): 17.5 x 9 x 6.38
Weight: 16 lb.