80W Weatherproof Dimming Transformer for Professional LED Installations
This regulated power unit converts AC mains to steady DC delivery at four selectable voltage options—12V through 48V—enabling a single SKU to serve diverse fixture inventories from residential cove lighting to commercial channel letter systems. Power factor performance exceeds conventional thresholds, aligning with utility rebate programs and reducing conductor sizing requirements.
Dimming compatibility extends across the dominant North American control landscape: standard phase-cut incandescent dimmers, electronic transformer protocols, and decorator-grade Lutron and Leviton product lines all synchronize without external interfaces. The result is continuous, artifact-free dimming from barely-visible accent levels through full-rated output.
Environmental resilience comes from a NEMA 3R-rated shell that deflects rain, melting snow, and wind-blown debris without supplementary housings. This permits direct installation in garden beds, exposed architectural soffits, and hospitality back-of-house areas where moisture exposure is inevitable.
Electrical safeguards include autonomous monitoring for short-circuit events, sustained overload, voltage excursions beyond design limits, and thermal runaway—each condition triggering protective shutdown with automatic restoration once parameters normalize. Regulatory markings encompass UL, cUL, CE, FCC, Class 2 limited power source, and SELV extra-low voltage classifications, satisfying inspectors across residential, commercial, and municipal project types.
Features:
．PWM or Voltage Reduction output Selectable
．Compatible with Forward phase, Reverse phase, Triac, MLV, ELV Dimmers
． Super compact Aluminum case
． UL/cUL CE CLASS P FCC RoHS LPS
． NEMA 3R rated - Indoor or Outdoor Use
． Switch to color temperature LED Strips 100%-0.01% dimming flicker- free
． Auto-Reset Protection for input/output overvoltage protection, input/output overcurrent protection, over temperature protection, over power protection and short circuit protection
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MODEL |
KS-1280a-T |
KS-2480a-T |
KS-3680a-T |
KS-4880a-T |
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OUTPUT |
Output Voltage |
12V |
24V |
36V |
48V |
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Rated current x Channel |
6.67A |
3.33A |
2.22A |
1.67A |
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Rated power |
80W |
80W |
80W |
80W |
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Ripple & Noise (max.) |
200mVp-p |
250mVp-p |
250mVp-p |
250mVp-p |
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Voltage accuracy |
±2.0% |
±2.0% |
±2.0% |
±2.0% |
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Linear adjustment rate |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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Load adjustment rate |
±0.5% |
±0.5% |
±0.5% |
±0.5% |
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Start, rise time |
1000ms, 100ms/230VAC, 1100ms, 100ms/115VAC |
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Hold time |
10ms/115VAC, 230VAC |
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INPUT |
Voltage range |
100 ~ 277VAC |
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Frequency range |
47 ~ 63Hz |
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Power factor |
PF≧0 98/115VAC, PF≧0 95/230VAC , PF≧0.9 /277VAC, Full load |
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Total harmonic distortion |
THD< 20% (@ load ≧50%/115VC,230VAC; @ load ≧75%/277VAC) |
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Efficiency |
Vin: 115VAC |
≧90.55% |
≧90.78% |
≧91.28% |
≧91.78% |
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Vin: 230VAC |
≧91.38% |
≧91.56% |
≧92.06% |
≧92.56% |
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AC current |
1.0A |
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Inrush current |
Cold start 75A(width=350us measured at 50% l peak)/230Vac |
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Leakage current |
< 1 m A |
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No load/ standby power consumption |
< 3.6W |
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Protection |
Over current |
95 ~ 110% |
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95 ~ 110% Constant current limit, load abnormal condition can be removed after automatic recovery |
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Short circuit |
Burp mode, load abnormal conditions can be removed after automatic recovery |
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Over voltage |
13 ~ 16 V |
26 ~ 32 V |
39 ~ 47 V |
52 ~ 63V |
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Turn off the output voltage, restart and resume |
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Over temperature |
Turn off the output voltage, restart and resume |
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Environment |
Working Temp |
T case=-40 ~ +50℃ |
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Max.Case Temp |
T case=+90℃ |
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Working Humidity |
20 ~ 95% RH, non-condensing |
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Storage Temp.,Humidity |
-40 ~ +90℃, 10 ~ 95% RH |
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Temp.Coefficient |
±0.03%/℃ (0 ~60℃) |
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Vibration |
10~500Hz, 5G 12min./1 cycle, period for 72 min. each along X,Y,Z axes |
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Safety & EMC |
Safety standards:UL8750+UL1310 |
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Withstand voltage:I/P-O/P:1.88KVac |
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Isolation resistance:I/P-O/P:100MΩ/500VDC/25℃/70%RH |
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EMC EMISSION:Confirms to FCC |
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Dimming Connect Drawing:
Dimension Drawing:
