Allis-Chalmers BZO 138 Spring
A precision replacement spring 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 typeSpring
- EquipmentOil circuit breakers (OCBs)
- DocumentationMaterial certification on request
- AvailabilityBuilt to order / short lead times
- Internal ref.OCBACBZ104
Overview
The Allis-Chalmers BZO 138 Spring replaces the spring in for Allis-Chalmers BZO 138 oil circuit breakers (OCBs). Southern Switch & Contacts machines it to OEM dimensional specifications from the correct contact alloy, with material certification available on request.
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.