![Schneider Electric R851B-8 Step Controller, 8-Stage AC/DC specifications — New England Supply House [NESH-SPECTABLE-V1]](http://newenglandsupplyhouse.com/cdn/shop/files/nesh-r851b8-specs.png?v=1794107236&width=1445)
The Schneider Electric R851B-8 is an 8-stage AC/DC step controller used to sequence multiple stages of heating or cooling equipment based on a control signal. It provides staged output switching for HVAC systems requiring sequential equipment control.
This is a genuine Schneider Electric replacement part. Confirm the part number against your equipment's parts list before ordering.
Specifications
| Part Number | R851B-8 |
|---|---|
| Brand | Schneider Electric |
| Type | Step Controller |
| Stages | 8 |
| Power | AC/DC |