Description

Replacement Dimmable Constant Current LED Power Supply

100–277V

0–10V Dimming

Class 2 Output

The KHM KerhamMSPI-DIM70W12S-1750 is a high-efficiency constant current LED driver engineered for commercial and architectural lighting systems that require precise current control and reliable dimming performance. Designed for a wide 100–277V input range, this driver delivers stable 1750mA output with built-in protection features to support long-term operation in demanding environments.

Product Specifications

• Model: WSD-MSPI-DIM70W12S-1750
• Driver Type: Constant Current
• Max Output Power: 70W
• Output Current: 1750mA ±3%
• Output Voltage Range: 30–40V DC
• Input Voltage: 100–277V AC
• Input Frequency: 47–63Hz
• Dimming Type: 0–10V, PWM, or resistor dimming
• Dimming Range: 0–100%
• Power Factor: up to 0.96
• Efficiency: up to 89%
• Output Classification: Class 2
• Protection: Overload, short circuit, and open circuit protection
• Surge Protection: L–N 4kV, L/N–PE 6kV
• No-Load Power Consumption: ≤0.5W
• Rated Lifespan: 50,000 hours

Electrical Environmental

• Operating Case Temperature (Warranty): -30°C to +75°C
• Operating Case Temperature (Safety): -40°C to +90°C
• Storage Temperature: -40°C to +80°C
• Humidity Rating: 10–95% RH, non-condensing

Physical Dimensions

• Dimensions: 155 × 59.4 × 32 mm
• Net Weight: 480 g

Certifications Compliance

• UL / cUL Listed – UL 8750
• FCC Part 15 Compliant
• CISPR 15 EMI Compliance

Applications

• Commercial LED luminaires
• Architectural and linear lighting systems
• Indoor LED fixtures requiring 1750mA constant current
• Professional LED retrofits and custom fixture builds