System Sensor L-Series Alert Amber Lens White Strobe and Speaker Strobe Expander Plate (Full Candela Range) Back Box Skirt SEP-SPSWL
Mount it once. Mount it right.
The SEP-SPSWL is a System Sensor L-Series strobe expander plate with a back box skirt, for wall mounting fire alarm notification appliances indoors.

A clean finish starts at the wall.
Notification appliances need the right mounting hardware for new installs, expansions or replacements. A matching plate and back box skirt keeps the job consistent.
Built for L-Series mounting
A mounting accessory for fire alarm notification appliances, intended for installers, integrators and facility maintenance teams.
Expander plate with skirt
A strobe expander plate with a back box skirt for L-Series white strobes and speaker strobes in the full candela range.

Max humidity, non-condensing
Humidity range is 10 to 93% non-condensing.
Indoor wall mounting
Designed for indoor use and listed as wall mountable, for mounting notification appliances on walls and ceilings.
Two voltage ranges
With MDL3, operating range is 9 to 17.5V (12V nominal) or 17 to 33V (24V nominal).
Amber and white finish
White plate with an amber lens detail, listed as product color amber, white.
Everything you need to know.
| Brand | System Sensor |
| Model | L-Series |
| Product Type | Strobe Expander Plate |
| Product Series | L |
| Application/Usage | Indoor |
| Mounting | Wall |
| Color | White |
| Color Details | Amber - Lens |
| Operating Temperature | 32°F to 120°F (0°C to 49°C) |
| Humidity Range | 10 to 93% non-condensing |
| Operating Voltage (with MDL3) | 9 to 17.5V (12V nominal) or 17 to 33V (24V nominal) |
| Shipping Weight | 1.7 lb |
System Sensor L-Series Alert Amber Lens White Strobe and Speaker Strobe Expander Plate ...
The System Sensor SEP-SPSWL is a mounting accessory for fire alarm notification appliances: L-Series Alert Amber Lens White Strobe and Speaker Strobe Expander Plate (Full Candela Range) Back Box Skirt. It is intended for fire alarm installers, integrators and facility maintenance teams who need a genuine System Sensor part for new installs, expansions or replacements.
Key Features
- Expander Plates Accessory
- Wall Mounting
- Operating Voltage Range with MDL3: 9 to 17.5V (12V nominal) or 17 to 33V (24V nominal)
- ECS/MNS Device Type Expander Plates
- Humidity Range: 10 to 93% non-condensing
- Location Indoor
- Mounting Wall
- Operating Temperature: 32°F to 120°F (0°C to 49°C)
- Operating Voltage Range: Regulated 12 V DC/FWR or Regulated 24VDC/FWR
Specifications
- Brand: System Sensor
- Model: SEP-SPSWL
- Product Model: SEP-SPSWL
- Product Series: L
- Product Type: Strobe Expander Plate
- Application/Usage: Indoor
- Color: White
- Color Details: Amber - Lens
- Product Color: Amber, white
- Features: Wall Mountable
- Shipping weight: 1.7 lb
Typical Uses
- Mounting fire alarm notification appliances on walls and ceilings
- Surface-mount, retrofit and weatherproof installs
Fire alarm devices must be installed and tested by qualified personnel in line with NFPA 72, local codes and the manufacturer's installation instructions. Please confirm that the SEP-SPSWL is compatible with your fire alarm control panel, wiring, voltage, mounting and finish before ordering. Contact us with the models of your existing devices if you need help checking compatibility.
Need help with compatibility?
Looking for a manufacturer part number, compatible replacement, or quantity order? Contact Raztechs for sourcing and quote support.

System Sensor L-Series, ready to order.
- Product Type: Strobe Expander Plate
- Product Series: L
- Application/Usage: Indoor
- Mounting: Wall
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