# NAPCO, Marked Fire, Smooth, Reversing Relay Module - 54TR81|FW-RM1 - Grainger

**Manufacturer:** NAPCO  
**MPN:** `FW-RM1`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | NAPCO |
| Manufacturer name | NAPCO |
| Manufacturer | NAPCO, Napco Security Systems |
| DimensionUnit | inch |
| Hazmat | False |
| Extra Product Name | NAPCO, Marked Fire, Smooth, Reversing Relay Module - 54TR81\|FW-RM1 - Grainger |
| height | 6.5 |
| height_Attrib | Height (In.) |
| length | 6.5 |
| length_Attrib | Length (In.) |
| moq | 1 |
| MPN | FW-RM1 |
| multiple | 1 |
| qtyInStock | 0 |
| SKU | 54TR81 |
| tierMinQty1 | 1 |
| tierPrice1 | 31.91 |
| width | 6.5 |
| width_Attrib | Width (In.) |
| UPC | 785026093761 |
| EAN | 785026093761 |
| Part Number | FW-RM1 |
| Product Group | Photography |
| Item? | 54TR81 |
| Mfr Model? | FW-RM1 |
| Type | Marked Fire |
| Finish | Smooth |
| Mounting | Surface |
| Standby Current (uA) | 0 |
| Depth (In ) | 5 in |
| Height (In ) | 6-1/2 in |
| Length (In ) | 6-1/2 in |
| Tube Length (Ft ) | 1 ft |
| Width (In ) | 6-1/2 in |
| Duct Width (Ft ) | 1 to 10 |
| Ambient Temp Limits (F) | -13 to 150 |
| Coverage (Square-Ft ) | 900 sq ft |
| Air Velocity (FPM) | 100 to 4000 |
| For Use With | FW-2S Smoke Detector |
| Package Quantity | 1 |
| Product Type | Reversing Relay Module |
| UNSPSC | 46191505 |
| Country of Origin | Dominican Republic |
| Asin | B004KO2R4Y |
| Binding | Electronics |
| Brand | Napco Security |
| Case | 1 |
| Cat | Electronics |
| CatId | 172282 |
| CatTree | 172282, 493964, 524136 |
| EANList | 785026093761 |
| Feature | Links multiple smoke detectors together |
| Label | Napco Security Systems |
| Man | Napco Security Systems |
| PackageQuantity | 1 |
| PartNumber | FW-RM1 |
| ProductGroup | Photography |
| ProductTypeName | SURVEILANCE_SYSTEMS |
| Publisher | Napco Security Systems |
| Studio | Napco Security Systems |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Grainger | 54TR81 | 31.91 | 1 | None | 1 |
| Zoro | G1604123 | 29.26 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/171000000/171103500/part_--FWRM1---NAPCO--9d0ccabb3c.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp