Keystone KT-EMRG-LED-20SD-2000-EN /DF-IP

KT-EMRG-LED-20SD-2000-EN /DF-IP Product Description

LED Emergency Back-Up, One Piece 20W Constant Wattage Design with Self Diagnositics. Approx 2000 lumens, Dual Flex Cables, 120-277V Input. CEC T20 Compliant. Includes Instructions, Test Switch, Switch Plate Cover, and Wiring Accessories

Electrical Specifications:

Input voltage range 120~277Vac ± 10%
Frequency 50/60Hz
Power factor > 0.9 under 120~277Vac input
Inrush current 20A @ 120V
Max input current 60mA @120V, 35mA @240V, and 30mA @277V
THD < 20% under 120~277Vac input
Output voltage 20 –60Vdc Class 2 compliant
Remarks: the output power is valid for output voltage ≤ 58Vdc; above that power will drop
Output current 1000mA @ 20Vdc, 333mA @ 60Vdc
Output power 20W (constant)
Turn-on Delay Time < 1s
Overshoot < 10%
Ripple & Noise (pk–pk) < 10%
Withstand voltage Input to output, 2800Vdc, 2mA
Leakage current Maximum 0.5mA at 277Vac, 60Hz input
Protection
Over voltage protection: Hiccup mode. Protection will trigger when load voltage exceeds specified output voltage and will auto recover after the
fault mode is removed.
Over current protection: Hiccup mode. Protection will trigger when load current exceeds specified output current and will auto recover after
the fault mode is removed.
Short circuit protection: Hiccup mode. Protection will trigger when short circuit and will auto recover after the fault mode is removed.
Over charge and discharge protection: Monitor battery voltage to prevent over charge of the battery and deep discharge which may
damage battery.
Emergency Operation 90 minutes
Battery High-temperature, maintenance-free, LiFePO4 battery, 16Vdc, 5 cell
Recharge Time 24 hours
Battery Charging Current 295mA

About Keystone:

At Keystone Technologies, we believe lighting should be simple, hassle-free, and enjoyable. That's why we offer a full range of high-quality lighting solutions, including LED lamps, fixtures, and controls, designed for performance, reliability, and ease of use. With a focus on innovation and customer satisfaction, Keystone is committed to delivering products that make lighting smarter, more efficient, and better for every environment—from commercial spaces to residential settings. Our mission is to "Light Made Easy," and we bring that philosophy to everything we do.