- Includes painted metal enclosures: Type 1, Type 3R/4/12
- Includes stainless steel enclosures: Type 4/4X
- Includes non-metallic enclosures: Type 4/4X
- Offers factory installed modifications
- Offers field installed accessories
- Includes service entrance rating
- Snap-together connections with color-coded wiring and terminals
502 Combination Contactors, Disconnect Switch
- Fusible or non-fusible disconnect switch
503 Combination Contactors, Circuit Breaker
- Circuit breaker thermal magnetic (inverse time)