Siemens / Allis-Chalmers SDO Washer (Large Hole)
A precision replacement washer 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 typeWasher
- EquipmentOil circuit breakers (OCBs)
- DocumentationMaterial certification on request
- AvailabilityBuilt to order / short lead times
- Internal ref.OCBACSD003B
Overview
Washer (Large Hole) for the Siemens / Allis-Chalmers SDO oil circuit breaker. 12 per kit. Machined to OEM spec.
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.
Send the model number, asset tag, or just a description — we’ll reply with pricing and lead time within one business day.