Product Description
3BHB040969R0023 is a complete thyristor module kit for ABB DCS800 DC drive system. The kit includes power thyristors, firing circuits, heat sink base and mounting hardware, for power‑section replacement and maintenance of high‑power DCS800 DC converters. Variant suffix R0090 stands for standard version without redundant fan; 3BHB019786R0190 comes with redundant fan‑box assembly. DCS800 is a four‑quadrant high‑power DC drive platform for armature & field excitation motor controlABB Group.
Technical Data
| Item | Specification |
|---|---|
| Order Part Number | 3BHB040969R0023 (Standard thyristor module kit) |
| Host Platform | ABB DCS800 DC converter |
| Kit Content | Power thyristor devices, firing circuit assembly, heat sink base, fasteners & internal connection parts |
| Variant difference | 3BHB019786R0090: standard, no redundant fan; 3BHB019786R0190: includes redundant fan box unit 3ADT754019R0001ABB Group |
| Power Device | High‑power Silicon Controlled Rectifier(SCR), four‑quadrant reversible drive |
| Compatible DCS800 frame | High‑current power frame for armature circuit |
| Cooling | Base air‑cooled (redundant fan NOT included in this part number) |
| Operating ambient temp | 0℃ ~ +55℃ (inside cabinet) |
| Ingress protection | Power assembly IP00, installed within switchgear cubicle |
| Mounting | Plug‑in power unit, cabinet‑mounted |
| Country of origin | Switzerland / Poland / USA, lot‑dependentABB Group |
| Customs tariff code | 85044083ABB Group |
Product Performance
- Factory‑matched integrated power kit, direct drop‑in replacement for original DCS800 power section, reduces on‑site maintenance & commissioning work.
- Supports full four‑quadrant operation: forward/reverse motor rotation and regenerative feedback to grid, suitable for hoist & rolling‑mill type loads.
- Integrated thyristor pulse‑firing circuits with signal isolation for high noise immunity, ensures synchronized firing for high‑power SCR stack.
- Integrated heat‑sink assembly for thermal handling under high‑current conditions; R0190 variant adds redundant fan for enhanced cooling reliability.
- Main repair spare part for overhaul and fault‑unit replacement; belongs to late lifecycle spare‑parts portfolio for DCS800 platform.
Application Fields
- Power‑section replacement & maintenance for ABB DCS800 high‑power DC drives
- DC motor armature drives for metallurgy rolling mills, table rollers, paper‑making, mining and hoist / potential‑energy loads
- High‑power DC excitation power supplies for industrial motors
- Retrofit projects & spare‑part replacement for legacy production lines
- Industrial four‑quadrant drives requiring regenerative braking capability
Related Series Kit Part Numbers (DCS800 Thyristor Module Kit)
- 3BHB019786R0090: Standard thyristor kit (this item, no redundant fan)
- 3BHB019786R0190: Thyristor kit with redundant fan‑box assembly (3ADT754019R0001)ABB Group
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