SYSTEM SENSOR Photoelectric Power Board: 120V AC/24V AC/DC, 5 in Body Ht
The SYSTEM SENSOR D4P120 Photoelectric Power Board is a replacement power board component for smoke detectors, compatible with System Sensor models. It operates at 120V AC or 24V AC/DC, with a current rating of 135…
SKU 3G-OTH-546600
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Product Description
The SYSTEM SENSOR D4P120 Photoelectric Power Board is a replacement power board component for smoke detectors, compatible with System Sensor models. It operates at 120V AC or 24V AC/DC, with a current rating of 135 mA @ 24V AC, and meets ULC standards. Measuring 5 inches in body height and 7 3/4 inches overall length, this board supports 120V AC primary voltage.
Frequently Asked Questions
What is the SYSTEM SENSOR D4P120 power board used for?
The SYSTEM SENSOR D4P120 is a replacement photoelectric power board for smoke detectors. It supplies regulated power to compatible System Sensor detector bases, enabling reliable fire detection in commercial and industrial facilities. 3G Electric sources this component for maintenance and retrofit projects worldwide.
What are the specifications of the SYSTEM SENSOR D4P120?
The D4P120 operates at 120V AC or 24V AC/DC, with a current rating of 135 mA @ 24V AC. It measures 5 in body height and 7 3/4 in overall length, and meets ULC standards. This SYSTEM SENSOR power board is designed for use with compatible System Sensor smoke detector models.
Where to buy the SYSTEM SENSOR D4P120 worldwide?
3G Electric supplies the SYSTEM SENSOR D4P120 photoelectric power board to customers worldwide. As a global industrial solutions provider, we handle full logistics, customs clearance, and delivery to your facility. Contact us for pricing and lead time on this replacement component.
How to install the SYSTEM SENSOR D4P120 power board?
Installation should follow System Sensor's guidelines: disconnect power, remove the old board, align the D4P120 with mounting holes, secure it, and reconnect wiring per the detector's schematic. Always verify voltage (120V AC or 24V AC/DC) before powering up. 3G Electric recommends consulting a qualified electrician.
SYSTEM SENSOR Products
3G Electric supplies SYSTEM SENSOR replacement power boards for smoke detectors. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.