3-Phase, 2 Leg. SCR Control Panels

4232

3-Phase, 2 Leg. SCR Control Panels - 4232

SCR-Zero Crossover Control
100 to 1200 Amps
Louvered, Fan Cooled Enclosures
Main Disconnect Switch with Shunt Trip
208-600 Volt
Control Power Transformer
NEMA 1 or NEMA 12:
  - 2 Leg, 3 Phase
  - MaxPac II DOT Fired SCR
  - Shorted SCR Detection Option
  - SCR/Load Fusing
cULus

The 4230 Series of SCR Power Control Panels offers convenient, economical control of resistive loads and capabilities beyond the smaller, more compact 4530 series. An additional 46 Standard Options increase the application flexibility of the 4230 Series. These pre-engineered, pre-wired panels require only sensor, load and power supply connections - and totally eliminate the need to design your panel, specify and purchase separate components, and assemble them into a functioning power control system.

SCR power control efficiently and accurately proportions power to the resistive heating load. Unlike traditional contactor control, SCR’s deliver:

Reduced Power Cost
Extended Heater Life
Less Maintenance
Improved Process Products
Stable Process Temperature

Zero-crossover Distributed Fired SCR (DOT) with I2T fusing for SCR Protection
Fan Cooling
Load Fusing for Up to 16 Circuits
Shunt Trip Disconnect
Ammeter and Voltmeter Combination
Temperature Controller
Overtemperature Controller with manual reset
Ground Fault Monitor
Fused Control Power Transformer
Manual Disconnect Switch
Power “ON” Pilot Lamp
Automatic Shutdown Device for Overtemperature Protection
Remote Shutdown Interlock Terminals
Enclosure Heater with Anti-Condensation and Instrument Protection for Ambient Temperatures as low as 0˚F
Drawings for Record
Installation and Operation Manual

Custom Panel Capability In addition to the pre-engineered and fieldproven standard control panels presented in this catalog, Chromalox has over 60 years of custom power control systems expertise. Working with world-scale engineering firms, military shipboard systems and the most demanding research institutes, Chromalox has encountered and conquered the challenges of even the most specialized requirements. This experience translates to efficient, economical solutions for virtually any heating and power control application.

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