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Discussion History

OLTC Motor Drive Unit

Assembly

Geared motor drive with step control and limit switches. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.

OLTC Motor Drive Unit parts and their functions

4 top-level parts · 32 parts in total · full bill of materials below
OLTC Motor Drive Unit parts diagram: 1 servo motor, 2 drive cam shaft, 3 relay, 4 manual operating crank. 32 parts in 4 top-level items.
OLTC Motor Drive Unit parts diagram. Numbers match the table below; each box is one top-level part or assembly with what it contains.
#PartQtyWhat it does
1 Servo Motor 4 parts 1× Drive motor turning the mechanism
2 Drive Cam Shaft 1× Cam shaft sequencing the steps
3 Relay 6× Control and interlock relays
4 Manual Operating Crank 1× Emergency manual crank

3D model

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Build & assembly graph

expand / collapse · shared sub-assemblies converge · links to related products · est. labour
product / assembly shared across products atomic part related product

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Bill of materials for OLTC Motor Drive Unit

4 top-level lines · 15 rows shown · 32 parts total · indented to 3 levels
# Item / sub-assembly Part no. Qty/assy Ext. qty Parts Type
1 Servo Motor 4 parts servo-motor 1× 1 24 assembly
1.1 Stator Assembly 3 parts stator-assembly 1× 1 3 assembly
1.1.1 Stator Core (laminations) stator-core 1× 1 · part
1.1.2 Copper Winding copper-winding 1× 1 · part
1.1.3 Slot Insulation stator-insulation 1× 1 · part
1.2 Rotor Assembly 4 parts rotor-assembly 1× 1 19 assembly
1.2.1 Rotor Shaft rotor-shaft 1× 1 · part
1.2.2 Rotor Core rotor-core 1× 1 · part
1.2.3 Neodymium Magnet neodymium-magnet 16× 16 · part
1.2.4 Ball Bearing ball-bearing 1× 1 · part
1.3 Encoder encoder 1× 1 · part
1.4 Motor Housing motor-housing 1× 1 · part
2 Drive Cam Shaft autotransformer-oltc-cam 1× 1 · part
3 Relay relay 6× 6 · part
4 Manual Operating Crank autotransformer-oltc-hand-crank 1× 1 · part

Where the OLTC motor drive unit is used

1 product across 1 domain contain it, directly or inside a sub-assembly

Used in 1 assembly

On-Load Tap Changer

Sourcing: possible vendors

Browse the supplier directory → Prices, MOQ, and lead times are algorithmic estimates, not quotes, and not claims about these companies. Company mappings are curated by keyword; est. price band $2–$500. How estimates work
VendorHQSpecialtyMOQLead time
🇨🇳Inovance
inovance.com ↗ 		Shenzhen, CN Drives & motion control 500 units 10–14 wks
🇮🇳Sona Comstar
sonacomstar.com ↗ 		Gurugram, IN EV driveline & motors 500 units 10–14 wks
🇨🇳Broad-Ocean
broad-ocean.com ↗ 		Zhongshan, CN Electric motors 500 units 10–14 wks
🇸🇬Nidec (Singapore)
nidec.com ↗ 		Singapore Motors, regional ops 500 units 10–14 wks
🇮🇳Bosch India
bosch.in ↗ 		Bengaluru, IN Automotive components 500 units 10–14 wks