
Allis-Chalmers BZO 138 Kit
A precision replacement kit for Allis-Chalmers BZO 138 oil circuit breakers (OCBs), machined to OEM dimensional specifications. Material certification available on request.
- OEMAllis-Chalmers
- Model / SeriesBZO 138
- Part typeKit
- EquipmentOil circuit breakers (OCBs)
- DocumentationMaterial certification on request
- AvailabilityBuilt to order / short lead times
- Internal ref.BR-AC-BZO138-KIT
Overview
Contact kit for the Allis-Chalmers BZO 138 oil circuit breaker — arcing nozzle, spring, spring cap, 8- or 10-finger stationary contact, moving contact rod, push rod.
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 | Arcing Nozzle OCBACBZ103 | 12 | |
| B | Spring OCBACBZ104 | — | |
| C | Spring Cap OCBACBZ105 | — | |
| D | Stationary Contact 8 Finger OCBACBZ106 | 48 | |
| E | Stationary Contact 10 Finger OCBACBZ107 | 60 | |
| F | Moving Contact Rod OCBACBZ100 | 6 | |
| G | Push Rod OCBACBZ108 | 6 |
Send the model number, asset tag, or just a description — we’ll reply with pricing and lead time within one business day.