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Focus Direct Burial Transformers are robust electrical devices designed for underground installation, typically used in residential or commercial lighting systems
Features:
• Bronze high temperature fiberglass reinforced composite boxes and covers (heavy duty)
• Nema 12: below grade enclosure for direct burial applications
• UL 1838 and UL 1598 certified
• 1/2" NPS & 3/4" NPS bottom hubs for line voltage input, feed through & low voltage output
• 1/2" NPS hubs on cover for fixture and or photocell mounting (consult factory for details)
• Neoprene sponge gasket to keep enclosure dry, for DBR-12 series O-RING: High temperature red silicone
• Covers secured with #10 3/4" Flat head stainless steel Phillips screws, for DBS12 & DBR-12 series Covers secured with 10-24 X 3/4" Flat head stainless steel
Phillips screws
Electrical:
• Long life, high temperature (130°C) Class B rated transformer core
• Copper Shielded Isolation/Insulation type - no contact between 120 volt & 12 volt windings.
• 1500v solation between all windings and ground
• Grade M19 electrical grade steel for superior electrical and magnetic properties
• Strip copper secondary windings for lower temperature rise.
• Single phase, open core and coil
• E.L. laminated windings (linear output) vacuum impregnated with black slate flour
• Filled varnish for superior heat dissipation and noise reduction. Class 180°C
• 120 volt primary, 12.5 volt secondary 50/60 hertz/cycle (standard)
• Manually Resettable magnetic circuit breaker for overload and short circuit protection
• 2 feet of 12/2 direct burial cable for low voltage connections (1 per circuit and/or voltage tap), compact electronic Halogen transformers available, see ordering information below)
Warranty:
• 3 year warranty on enclosure and mechanical/electrical components
Installation Notes:
• All Direct Burial Junction boxes must be accessible for servicing. Install at highest grade to allow water to run off. Usually 1/2” or 1” higher than grade
• Must be installed away from standing water - Must be installed by a licensed electrician.
| Part Number | DB-12-75E |
|---|---|
| Manufacturer | Focus Industries |
| Number of Circuits | 1 Circuit |
| Input Voltage | 120V |
| Output Voltage | 12V |
| Minimum Operating Temperature | -4° F |
| Maximum Operating Temperature | 104° F |
| Dimensions | 7.25" Diameter x 9.25" depth |
| Certifications | ![]() |
| Warranty | 3 Year |
| Lead Time | Build Item 3-4 Weeks |