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Allis-Chalmers BZO 138 Push Rod replacement
Allis-Chalmers · BZO 138

Allis-Chalmers BZO 138 Push Rod

A precision replacement push rod 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 typePush rod
  • EquipmentOil circuit breakers (OCBs)
  • DocumentationMaterial certification on request
  • AvailabilityBuilt to order / short lead times
  • Internal ref.OCBACBZ108
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Overview

Push Rod for the Allis-Chalmers BZO 138 oil circuit breaker. 6 per kit. Machined to OEM spec.

About the Allis-Chalmers BZO-138 Oil Circuit Breaker

The Allis-Chalmers BZO-138 is an oil circuit breaker used in distribution substations for fault interruption and load switching. Its interrupter assembly includes an arcing nozzle, moving contact rod, push rod, spring, spring cap, and stationary contact in both 8-finger and 10-finger configurations. The interrupter components wear through interrupting duty and require replacement at the manufacturer's recommended overhaul interval. Southern Switch stocks the complete interrupter kit and individual components for the BZO-138.

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.

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