Siemens / Allis-Chalmers SDO Kit
A precision replacement kit for Siemens / Allis-Chalmers SDO oil circuit breakers (OCBs), machined to OEM dimensional specifications. Material certification available on request.
- OEMSiemens / Allis-Chalmers
- Model / SeriesSDO
- Part typeKit
- EquipmentOil circuit breakers (OCBs)
- DocumentationMaterial certification on request
- AvailabilityBuilt to order / short lead times
- Internal ref.BR-AC-SDO-S-KIT
Overview
Contact kit for the Siemens / Allis-Chalmers SDO oil circuit breaker, stationary contact finger, nozzle, moving contact rod, finger spring, and washers.
About the Siemens Allis-Chalmers SDO Oil Circuit Breaker
The Siemens Allis-Chalmers SDO is an oil circuit breaker interrupter design sharing lineage with the Allis-Chalmers SDO. Its interrupter components. Stationary contact finger, moving contact rod, nozzle, and springs. Require replacement at the manufacturer's recommended overhaul interval. Southern Switch machines replacement components and stocks complete kits for the Siemens Allis-Chalmers SDO.
Why replace worn OCB contacts
Pitted or eroded oil-circuit-breaker contacts increase resistance and weaken interruption. Precision replacements restore dependable making and breaking under load.
Stock, lead time & reverse engineering
Common items are produced on short lead times; discontinued or hard-to-find parts are reverse-engineered from a sample, a drawing, or a model number. Based in Palm Harbor, FL, Southern Switch & Contacts manufactures and ships replacement parts to utilities nationwide, and has served the industry since 1982.
Each part below corresponds to a labeled component on the kit drawing. Click View to open the part’s standalone page, or + Quote to add it to your quote without leaving this page.
| Ref | Part | Qty | Action |
|---|---|---|---|
| A | Stationary Contact Finger OCBACSD002 | 36 | |
| B | Nozzle OCBACSD004 | 6 | |
| C | Moving Contact Rod OCBACSD001 | 6 | |
| D | Stationary Finger Spring OCBACSD010 | 36 | |
| E | Washer (Small Hole) OCBACSD003A | 12 | |
| F | Washer (Large Hole) OCBACSD003B | 12 |
Send the model number, asset tag, or just a description, we’ll reply with pricing and lead time within one business day.
Net 30 with an accepted PO, no credit application required. How we do business →