Square D H365R 400A 600V 3P NEMA 3R Heavy Duty Fusible Safety Switch
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The Square D H365R is a heavy-duty fusible safety switch rated 400A, 600VAC/600VDC, 3-pole, 3-wire, housed in a NEMA Type 3R rainproof steel enclosure suitable for outdoor and wet-location installations. The H365R part number decodes as: H = Heavy Duty series, 3 = 3-pole, 6 = 600V, 5 = 400A frame, R = NEMA 3R rainproof enclosure; it is fused (fusible), accepts Class H or Class J fuses (not included), and is rated 250 HP at 600VAC for 3-phase motor disconnect applications. Terminals are suitable for both copper and aluminum conductors per the nameplate label; the unit is UL Listed and operates at 50/60 Hz. This unit is listed as new — other, meaning it is uninstalled surplus or removed from original packaging, with the switch itself showing typical light handling marks consistent with warehouse storage; Series E05 as indicated on the product label.
Product Specifications
| Brand | Square D (Schneider Electric) |
| MPN | H365R |
| Series | E05 |
| Switch Type | Fusible (fuses not included) |
| Amperage Rating | 400A |
| Voltage Rating (AC) | 600 VAC |
| Voltage Rating (DC) | 600 VDC |
| Frequency | 50/60 Hz |
| Number of Poles | 3 |
| Number of Wires | 3 |
| Horsepower Rating | 250 HP @ 600VAC 3-phase |
| Enclosure Type | NEMA 3R (Rainproof) |
| Enclosure Material | Steel |
| Conductor Compatibility | Copper or Aluminum |
| Fuse Class | Class H or Class J |
| UL Listed | Yes |
| Duty Rating | Heavy Duty |
| Shipping Weight | 185 lbs (83.9 kg) |
| Condition | New - Other (uninstalled surplus) |