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Square D DU3 General Duty Three Phase Non-fused Disconnects 400 A NEMA 1 240 VAC
Mfg #:
DU325
BOR #:
555988
DU3 Series General Duty Three Phase Non-fused Disconnects
- Up to 100 kA short circuit current rating with proper current limiting fusing.
- Designed for residential and commercial applications where economy is a prime consideration
- General duty safety switches are UL Listed, File E2875, and meet or exceed the NEMA Standard KS1
- They are suitable for use as service equipment when equipped with a factory-installed neutral assembly or a field-installed service grounding kit
- Typical loads are lighting, air conditioning, and appliances
- 3-wire: 3 blades
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| Brand | Square D |
| Number of Phases | 3 phase |
| NEMA Rating | NEMA 1 |
| Voltage | 240 VAC |
| Wire Size | (1) 6 AWG - 600 kcmil |
| Enclosure Type | N1 Enclosure |
| Number of Poles | 3 |
| Amperage | 400 A |
| Disconnect Type | Non-fused |
| Material | Steel |
| Square D Safety Switches Brochure - 3100BR9801 (pdf) | Brochure |
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| D400SN 400 A General Duty Switch Neutral Kit Installation Instructions - 40268-915-06 (pdf) | Installation and Instruction Manuals |
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| Safety Switches: Section 3 - Digest 179 (2024) - Safety-Switches-Digest-Catalog-0100CT2401-SEC-03 (pdf) | Catalog |
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| Small and medium project solutions, available now - brochure - 998-21381316_GMA-US_Small+and+medium+project+solutions+available+now (pdf) | Brochure |
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| Schneider Electric Specification Sheet | Specification Sheet |
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| General Duty Safety Switches, Certificate, UL - 19640422-E2875 (pdf) | Compliance |
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| Digest Catalog 03: Safety Switches - 0100CT1901_SEC-03 (pdf) | Catalog |
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