Square D Digest 179

EZ Selector - Selection Assistance

Safety Switches EZ Selector - Selection Assistance

EZ-Selector

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Steps to select a safety switch 1. Select product type:

• General duty safety switch • Heavy duty safety switch • Double throw safety switch

2. Select switch type. 3. Select fuse type: fused, non-fused, cartridge, class T or plug 4. Select maximum voltage: 240 Vac / 250 Vdc, 600 Vac / 600 Vdc 5. Select amperes: • General/light duty – 30 A, 60 A, 100 A, 200 A, 400 A, 800 A • Heavy duty – 30 A, 60 A, 100 A, 200 A, 225 A, 400 A, 600 A, 800 A, 1200 A • Double throw – 30 A, 60 A, 100 A, 200 A, 600 A 6. Select number of poles: • General/light duty – 1, 2 or 3 • Heavy duty – 2, 3, 4 or 6 • Double Throw– 2, 3, 4 or 6 7. Select if neutral is needed. 8. Select enclosure type: • General/light duty – NEMA 1, NEMA 3R • Heavy duty – NEMA1, NEMA 12K, NEMA 3R, 5, 12, NEMA 4, 4X, 5 (stainless steel 304), NEMA 4, 4X, 5 (stainless steel 316) • Double throw – NEMA1, NEMA 12K, NEMA 3R, 5, 12, NEMA 4, 4X, 5 (stainless steel 304) • Optional enclosure types for special heavy duty applications.

3 SAFETY SWITCHES

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