ESM Tri-Mode Dimming™ Constant Current LED Drivers

ERP Power ESM Tri-Mode Dimming™ Constant Current LED Drivers with Fast Startup Time are compatible with TRIAC (forward-phase or leading-edge) / ELV (reverse-phase or trailing-edge) and 0 to 10V dimmers. The ESM series offers linear 0 to 10V dimming transfer functions with 10V=100%, 1V=10%, and 0.1V=1%. These LED drivers from ERP Power are rated for a lifespan of 85,000 hours at +70°C case hot spot temperature (+39°C ambient temperature) for ESM050W-1200-42 (50W).

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Description Datasheet Availability Pricing (TWD) Filter the results in the table by unit price based on your quantity.
Qty. RoHS ECAD Model Operation Mode
Output Current-Channel 1
Output Voltage-Channel 1
Output Power
Input Voltage
Dimming
Number of Outputs
Mounting Style
Length
Width
Height
Industry
Series
IP Rating
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 50.4 W max, 1200 mA Iout, 42 V max Vout
Datasheet
99In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 1.2 A 42 VDC 50.4 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 23.1 W max, 550 mA Iout, 42 V max Vout
Datasheet
204In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 550 mA 42 VDC 23.1 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 29.4 W max, 700 mA Iout, 42 V max Vout
Datasheet
65In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 700 mA 42 VDC 29.4 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 33.6 W max, 800 mA Iout, 42 V max Vout
Datasheet
87In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 800 mA 42 VDC 33.6 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 37.8 W max, 900 mA Iout, 42 V max Vout
Datasheet
471In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 900 mA 42 VDC 37.8 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 44.1 W max, 1050 mA Iout, 42 V max Vout
Datasheet
54In Stock
100Expected 10/15/2026
Min.: 1
Mult.: 1

Constant Current (CC) 1.05 A 42 VDC 44.1 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 14.7 W max, 350 mA Iout, 42 V max Vout
Datasheet
15In Stock
100Expected 10/1/2026
Min.: 1
Mult.: 1

Constant Current (CC) 350 mA 42 VDC 14.7 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20
ERP LED Power Supplies 120 to 277 Vac, 87% efficiency, Rectangular Metal Case (Bottom Leads with Studs), Tri-Mode Dimming (Forward, Reverse Phase & 0-10V), 1-100% dimming range, 21.0 W max, 500 mA Iout, 42 V max Vout
Datasheet
11In Stock
Min.: 1
Mult.: 1

Constant Current (CC) 500 mA 42 VDC 21 W 120 VAC to 277 VAC With Dimming 1 Output Chassis Mount 110 mm (4.331 in) 60 mm (2.362 in) 26 mm (1.024 in) Industrial ESM IP20