Apex Direct-On-Line Starters are designed to connect motors directly to line voltage where the supply system and driven load permit direct starting. The catalogue highlights complete protection from overloading and, in three-phase use, protection against single phasing.
Direct Online Starters
Proven direct-on-line motor starting with integrated protection.
Apex DOL starters are the most common motor-starting solution in the range, covering applications from 0.5 HP up to 20 HP with dependable overload protection and rugged IP54 enclosures.
- Range from 0.5 HP to 20 HP
- Overload protection
- Single-phasing protection for three-phase applications
- Machine-wound solenoid coils
- Powder-coated IP54 enclosure
DOL Classic
Apex’s flagship DOL configuration, refined over decades and still a preferred choice for reliable day-to-day motor starting duty across industrial installations.
Typical catalogue selection extends through multiple relay ranges, supporting motor outputs up to 20 HP.
DOL Compact
A smaller but powerful format designed to reduce footprint while improving presentation on the equipment it is fitted to.
Available in both single-phase and three-phase versions, with manual-reset overload relays for added operational safety after tripping.
Selection Highlights
- Classic DOL: 0.5 HP to 20 HP
- Compact Single Phase: up to 3 HP
- Compact Three Phase: up to 7.5 HP
- Protection: Overload protection
- Enclosure: Powder-coated IP54
- Construction: Contactor + overload relay architecture
Explore Other Starter Types
Need reduced current or bidirectional operation? Explore our Star-Delta Starters and Forward-Reverse Switch Starters. You can also review ON-OFF and Changeover Control Switchesfor panel operator control.