We offer quality commercial and industrial manual transfer switches from Asco, Boltswitch, Ronk, Thomson, and Winco. Single and three phase up to 600V and 4000A.
Typical Applications: Agricultural (Ag), Light Commercial (L-Com), Light Industrial (L-Ind), Telecom (Tel), Commercial (Com), Industrial (Ind), and Mission Critical (MC).
Open Transition (break-before-make) is standard. Options available on select series include Service Entrance Rated (SE), Integrated Quick Connect Tap Box (QC), Camlock Connection Plate (TCP), Closed Transition (CT), Delayed Transition (DT), and Bypass Isolation (BI).
Series | Max Amps |
Phase and Max Volts |
Typical Applications |
Notes |
Winco |
100-200 | 1PH - 240V 3PH - 240V |
Ag, L-Com, L-Ind | |
Ronk Grade-Level |
100-800 | 1PH & 3PH 240V or 600V |
Ag, L-Com, L-Ind | 600V models are not UL Listed |
Ronk Fused Disconnect |
200-400 | 1PH - 240V | Ag, L-Com, L-Ind | Service Entry Rated |
Ronk Series 4 |
100-1200 | 1PH: 600V 3PH: 600V |
Com, Ind | |
Boltswitch Series T |
400-600 | 1PH & 3PH 240V or 600V |
Com, Ind | Service Entry Rated Use w/Permanent Gen |
Boltswitch Series GT |
400-600 | 1PH & 3PH 240V or 600V |
Com, Ind | Service Entry Rated Use w/Portable Gen |
Boltswitch Series VL |
800-3000 | 1PH - 600V 3PH - 600V |
Com, Ind | Service Entry Rated |
Asco 300 Manual |
150-3000 | 1PH - 600V 3PH - 600V |
Tel, Com, L-Ind | SE Optional QC Optional |
Series | Max Amps |
Phase and Max Volts |
Typical Applications |
Options |
Thomson TS870 |
100-1200 | 1PH - 240V 3PH - 600V |
Com, Ind | SE, TCP |
Asco 300 NTS |
30-3000 | 1PH - 600V 3PH - 600V |
Ag, Tel, Com, Ind | SE, DT |
Asco 4000 | 30-4000 | 1PH - 600V 3PH - 600V |
Tel, Com, Ind | DT, CT |
Thomson TS880 |
800-4000 | 3PH - 600V | MC: Tel, Com, Ind | SE, BI |
Asco 7000 | 30-4000 | 1PH - 600V 3PH - 600V |
MC: Tel, Com, Ind | SE, DT, CT, BI |
Low Pricing and Expert Sales/Application Assistance.