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Table of Contents
Related Manuals for RKC INSTRUMENT THW-3 Series
Summary of Contents for RKC INSTRUMENT THW-3 Series
- Page 1 THW-3 SERIES Power Controller Three Phase Thyristor Unit...
- Page 2 High performance power controller with powerful functions Easy and accurate setting Three phase power controller has an LED display to show set values and input signals and front keys for easy setting and monitoring. Setting can also be made with an external setting unit (variable resistor). Powerful control functions The THW Series is available with constant current control, constant power control or constant voltage control.
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Page 3: Standard Functions
Standard Functions Output limiter (High & Low) Gradient setting Ramp function (Soft-start & Soft-down) Output highest and lowest values can be set via front The relation between the setting input and the output Even if setting input changes abruptly, output changes keys. -
Page 4: Specifications
Specifications Max. load current : 20A, 30A, 45A, 60A, 80A, 100A AC Operating ambient : 5 to 95%RH (Non-condensing) humidity Control method : Phase control/ Zero-cross control (Selectable) Absolute humidity : MAX.W.C 29.3g/m dry air at 101.3kPa Applicable load : Phase control : Linearity (R:Resistor) load, Control of primary Dielectric voltage : Between main circuit terminals, power terminals side of a transformer (magnetic field density... - Page 5 Model and Suffix Code Model and Suffix Code Specifications Type THW-3 Three Phase Thyristor Unit 200 to 240V AC Power supply 400 to 440V AC Phase control/Zero-cross control (programmable, default: phase control) Control method 20A AC 30A AC 45A AC Max.
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Page 6: External Dimensions
External Dimensions Unit: mm 200V : 20A, 30A, 45A, 60A 400V : 20A, 30A, 45A, 60A 4-M5(Mounting hole) 4-M5(Mounting hole) 2-ø6 2-ø6 2-ø12 2-ø12 POWER POWER INDICATION LAMP L1 L2 L3 HBA1 CAUTION THY.B FREQ HBA2 INDICATION LAMP PHASE FUSE T1 T2 T3 L1 L2 L3 HBA1... -
Page 7: External Wiring
External Wiring Input signal Main circuit terminal Three phase 4 to 20mA, 0 to 20mA input 1 to 5V, 1 to 5, 0 to 10V : 400V type Main circuit terminal power supply only and voltage pulse input * The phases of the power supply (Power supply side) wirings (R, S, T) must match those of the unit's main circuit... - Page 8 Accessories • Step-down transformer : THVP-T01 • Gradient setter, Manual setter, High/Low setter : THVP-S01 Unit : mm Unit : mm φ2.8 * When power supply is 400V type, M9X0.75 Voltage down transformer (For instrument power supply) is supplied. L1 L2 L3 l1 l2 l3 13.5 10 10 18.7 Volume (Resistance:5k Ω...
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