Chromalox Big Red Book

Controls

SCR Selection Guide SCR Power Controller CTF/CTF-Xtra MiniMax 1

MiniMax 2

MiniMax 3

MiniMax 1P

Single Phase

Y

Y

Y

3-Phase/2-Leg

Y*

Y

3-Phase/3-Leg

Y*

Y

Mounting

DIN, Rear Panel

Rear Panel

Rear Panel

Rear Panel

Rear Panel

Firing • On/Off

Y

Y

Y

Y

• Proportional

Y Y

Y (DOT)

Y (DOT)

Y (DOT)

• Phase Angle

Y

120-480, 120-600, 120-690/120-480

Line Voltage (VAC)

120-600

120-600

120-600

120-600

Current Load (Amps)

25-250/25-60

30-75

30-75

30-75

30-75

5-30 VDC; PWM- Pulse Width Modulation 0-20 mA, 4-20mA, 0-5/10V, 1k Ω -10k Ω Potentiometer

Inputs

5-32 VDC; 120, 240 VAC, Dry Contact 4-20 mA, 0-5 VDC, 1-5 VDC, 0-10 VDC, Remote Manual Adjust, Auto/Man

5-32 VDC; 120, 240 VAC, Dry Contact 4-20 mA, 0-5 VDC, 1-5 VDC, 0-10 VDC, Remote Manual Adjust, Auto/Man

5-32 VDC; 120, 240 VAC, Dry Contact 4-20 mA, 0-5 VDC, 1-5 VDC, 0-10 VDC, Remote Manual Adjust, Auto/Man

On/Off Control

Proportional /Phase Angle Control

0/1-5, 0/4-20, 0/10- 50 mA; 0-5, 0-10 VDC

Remote/Manual Adjust

Y

Option

Option

Option

Option

Current Limit & Soft Start

Y

Y

Zero/Gain Adjust

Y

Line Voltage Regulation

Y

Y

Heatsink Isolation

Y

Y

Y

Y

Full Isolation Heatsink Thermostat / Electronic Sensor

Y

Y

Y

Y

Y

Shorted SCR Detection

Y

Option

Option

Option

Touch Safe Option

Y

Integral I2T

Y (CTF-Xtra IGBT)

Y

Y

Y

Y

Communications • RS485 Feedback (Diagnostics) • Voltage

Y

Y

• Current • Power

Y Y

Y

SCR COMPONENTS

Agency Approvals

UL, cUL, CE, TÜV UL/cUL, CE, Demko

UL/cUL, CE, Demko

UL/cUL, CE, Demko

UL/cUL

See Page

H-61 to H-66

H-67

H-69

H-71

H-73

* May be grouped with additional CTF's or CS1's to achieve 3-phase control

H-59