The Simplex 636-289 is a reconditioned power supply board for the Simplex 4020 fire alarm control panel. It serves as the panel’s primary 24VDC source. As a result, when an OEM supply fails on a legacy 4020 install, the 636-289 keeps the system online.
This part ships fully reconditioned. In addition, it carries a 2-year warranty against defects. However, a $500 refundable core charge applies — return the failed unit to recover the deposit.
Why a Reconditioned Supply Makes Sense for the 4020
The Simplex 4020 is a legacy panel. As a result, new OEM boards are scarce. Reconditioned 636-289 units fill the gap. Specifically, each board is bench-tested under load before shipping.
This supply is paired with the 4020 Group 1 board configuration. Therefore, verify your panel group number before ordering. If unsure, our team can confirm compatibility from a photo of your existing board.
Key Features
- Direct replacement for original Simplex 636-289 power supply
- Fits the Simplex 4020 fire alarm control panel
- Group 1 board compatibility
- 2-year warranty on reconditioned hardware
- $500 refundable core charge — return the failed unit to reclaim it
Specifications
- Manufacturer: Simplex
- Part number: 636-289
- Compatible panel: Simplex 4020 (Group 1)
- Condition: reconditioned
Order the Simplex 636-289
Life Safety Consultants stocks reconditioned 636-289 boards for legacy 4020 panels. To confirm group compatibility and core return procedure, call 1-888-557-0558. Alternatively, email sales@lifesafetycom.com.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 8 lbs |
|---|---|
| Dimensions | 12.5 × 6.5 × 5 in |
| Condition | Reconditioned with TWO YEAR WARRANTY |
| Part Type | Power Supply |
| Manufacturers | Simplex |
| Compatible Panels | Simplex 4020 |
| Board group | 4020 Compatibility Group 1, Group 1 set: 565-209 (MC) + 565-220 (PSI) + 565-222 or 566-758 (slave), Warranty: 2 years, Core charge: $500 refundable |
