General Description: The 10A DC motor speed controller is a simple and easy-to-use device that offers stable performance. Made with a high-quality circuit board, it ensures a long service life. This controller is equipped with a fuse to protect the speed controller from short circuits and features reverse connection protection. It is also designed with convenient screw terminals for quick wiring. Technical Specifications Model: REX-C400FK02-V Measurement error: 1% + 1 digit, 0.5% ± 1 digit, 0.2% ± 1 digit Additional cold junction compensation error: 0 ~ 50 ℃, ≤ ± 2 ℃ Temperature coefficient: ≤0.05%/C² Measurement range: -1999 ~ 9999, -199 ~ 9999 Alarm range: Freely adjustable to full scale Relay output contact capacity: 3A/220V, resistive or specified Solid State Relay output signal: 15 ± 3V/30mA Working power: 220V ~ ± 10% 50Hz Power consumption: 4W Working environment: 0 ~ 50 ℃ Relative humidity: 35% ~ 85% RH Weight Approx. 321g/11.3oz Other Information Package list: 1 x temperature controller