8480 Part Night
Longlife Photocells
The most accurate outdoor lighting photocell on the market

Accuracy
The 8480 Part Night Longlife Westire photocell utilises Westire’s Eye Response filtered silicon light sensor and microprocessor control. This accurate combination provides the best energy savings and reliable operation.
Longevity
Engineered in the EU with a 35 year design life and manufactured in-house using only high quality name brand components, the 8400 series photocells are renowned in the industry for their unparalleled quality and reliability.
Features & Benefits
- Switches the light off at a predetermined time for a number of hours each night.
- Designed for modern light sources like LED, Induction, Plasma, HPS, HID and many more.
- Available in universal power supply capable of operating on voltages from 200 to 260 Volts 50/60 Hz.
- Energy efficient design with a average power consumption < 0.25 watts.
- Westire Patented Relay Assisted Triac (RAT) switching technology protects the relay from in-rush current.
- Polycarbonate housing is ultrasonically welded, UV stabilised and rated to IP67.
- Upward facing units are designed to be self cleaning.
- 100% product testing; 48 hour burn-in, electrical and final inspection.
- Intertek ETL Listed and RoHS compliant.
- Available with up to 840 Joule MOV protection.
The upward facing daylight sensor has a full view of the open sky resulting in higher switching accuracy.
Cap Colours
Various housing colours are available, black, blue, brown, green, red and grey

Connection Type
The 8480 Long Life Photocell has a NEMA 3 blade plug in locking electrical connection.

Specification
Dimensions | 78.4 mm Ø x 69.85 mm H |
Warranty | 12 years standard 20 years available on request |
Connection Type | NEMA 3 Pin ANSI 136.10 |
Mains Supply | 200 - 260 Volts AC 50/60 Hertz |
Load Rating | 1800 VA Ballast / 1000 Watts |
Average Power Consumption | <0.25 Watt nominal |
Surge Protection | Standard: 132J 4.5kA Optional: 320J 12KA, 420J 20KA Configurations available up to 840 Joules |
Operating Temperature | -40° C to + 80° C -40° F to + 178° F |
Standards Compliance | Environmental RoHS, EN55015, EN61547, EN6100-3-2, EN6100-3-3, ETL UK 773, CSA 22.2. IS EN ISO 9002: 2015 ANSI C136.10 |
Enclosure Protection Rating | IP67 - Dust tight and immersion tested up to 1m when fitted in the luminaire. |
Operating Levels | 10 to 200 Lux 1 to 19fc ± 0.025 |
Light Sensor | Eye Response IR filtered silicon light sensor |
Switching Ratio | 1:05 to 1:3 - Inverse ratios available |
Switching Time Delay | 0 to 25 Seconds ON 2.5 to 20 Seconds OFF |
Switching Options | Part night. Various options available |