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A large inventory of circuit breakers including UL1077, UL489, UL508 and molded case circuit breakers.

Circuit Breakers

Circuit Breakers for Every Application!

Choose from UL1077, UL489, UL508 and molded case circuit breakers using the filters on the left.

Quick Guide to Circuit Breakers

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Manufacturer
  1. Altech Corp. (131)
  2. GE Industrial (732)
  3. Noark (84)
  4. Weg (29)
Voltage
  1. 120/240VAC (173)
  2. 240VAC (25)
  3. 480Y/277VAC (739)
  4. See Spec or N/A (39)
Trip Curve
  1. B Curve (237)
  2. C Curve (336)
  3. D Curve (385)
  4. E Curve (1)
  5. G Curve (3)
  6. K Curve (3)
  7. See Spec or N/A (11)
Type
  1. See Spec (9)
  2. UL1077 (510)
  3. UL489 (435)
  4. UL508 (11)
  5. Molded Case (11)
Poles
  1. 1 Pole (296)
  2. 2 Pole (301)
  3. 3 Pole (278)
  4. 4 Pole (101)
Product Series
  1. ACW Series (11)
  2. B1H Series (Ex9B1H) (11)
  3. B1N Series (Ex9B1N) (24)
  4. EP60UL Series (107)
  5. EP100UL Series (229)
  6. EP100 ULH12 Series (173)
  7. EP100 ULH34 Series (147)
  8. L Series (72)
  9. R Series (38)
  10. UMBW Series (18)
  11. UM Series (11)
  12. See Specs (10)
Amp Rating
  1. 0.2 Amp (1)
  2. 0.5 Amp (31)
  3. 1 Amp (38)
  4. 1.6 to 2.5 Amp (1)
  5. 2 Amp (49)
  6. 3 Amp (36)
  7. 4 Amp (37)
  8. 5 Amp (63)
  9. 6 Amp (55)
  10. 8 Amp (25)
  11. 10 Amp (63)
  12. 12 Amp (4)
  13. 13 Amp (44)
  14. 15 Amp (57)
  15. 16 Amp (48)
  16. 20 Amp (69)
  17. 25 Amp (53)
  18. 30 Amp (56)
  19. 32 Amp (53)
  20. 35 Amp (19)
  21. 40 Amp (53)
  22. 50 Amp (37)
  23. 60 Amp (34)
  24. 63 Amp (39)
  25. 80 Amp (1)
  26. 100 Amp (1)
  27. See Spec (4)
Short Circuit Capacity
  1. See Spec (11)
  2. 5kA (48)
  3. 6kA (241)
  4. 10kA (665)
Availability
  1. Standard Stock (67)
  2. Please Contact Us (909)
Price
  1. $0.00 - $99.99 (965)
  2. $100.00 - $199.99 (7)
  3. $300.00 - $399.99 (3)
  4. $500.00 and above (1)
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  • Phone: 847-658-8130
  • Fax: 847-658-0960

Marshall Wolf Automation, Inc.
923 South Main Street
Algonquin, IL 60102

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