Sandvik / Tamrock
551 591 44a Circuit Breaker, MCB
DD321-40
| Part Number | 551 591 44a |
| Description | Circuit Breaker, MCB |
| Brand | Sandvik (Tamrock) |
| Assembly | Instrument Box Assembly |
| Type | Drill Rig Spare Part |
Quick answer
551 591 44a (also written 55159144a, 551-591-44a, or 551.591.44a) is a Sandvik circuit breaker, mcb spare part used in the Instrument Box Assembly assembly of the Sandvik DX700. Verified compatible with 13 Sandvik machine models including DD321-40, DD321-40C, DD421-60C. Available as an aftermarket replacement drill part from BK Drilling — Turkey-based Sandvik and Epiroc spare parts supplier serving mining contractors worldwide. Quote on request via WhatsApp; typical lead time 3-7 days for stock items.
Part code alternate forms: 55159144a, 551 591 44a, 551-591-44a.
Compatible machines
13
OEM cross-reference
551 591 44a
About Sandvik 551 591 44a Circuit Breaker, MCB
An essential element of the Instrument Box Assembly in the Sandvik DX700, this part is designed to meet the exacting standards required for underground and surface drilling equipment. Timely replacement prevents costly cascading failures in critical machine systems.
This is an OEM-compatible aftermarket replacement part for the Sandvik DX700 (DX700). Also compatible with Tamrock branded equipment of the same model series. BK Drilling supplies this part with fast worldwide shipping and competitive pricing.
Frequently asked questions
Why use OEM-compatible parts for Sandvik drilling equipment?
OEM-compatible parts are manufactured to the same dimensional tolerances and material specifications as original components, ensuring proper fit, reliable performance, and maintaining the designed safety margins of the drilling machine.
