Intertron Model 302A

3 Phase Resistance Welding Controller

Inside the Intertron 302A Control

Shows the remote control box in the end of the control

Features:

• 3 Phase Frequency Converter
• 3 Phase Rectified D.C.
• Spot Weld – Seam Weld – Roll spot Weld
• Fully Programmable with 16 Weld Schedules
• Pulsating Heat Control
• Programmable Forge Control
• Intermittent Drive Motor On/Off Control
• 5 Year Memory Retention without power
• Scanner Interlock

Performance:

• Absolute Repeatability
• Quartz Crystal Accuracy
• Space Age Design and Rugged Construction

Specifications:

• INPUT POWER: 200 VAC to 480 VAC 60 Hz
• AC OUTPUT TO VALVES: 115 VAC 150 VA
• Solid State Contactors Available in Ranges from 1200 Amps to 3200 Amps
• Ignitron Firing Module to Fire Ignitrons Size A through E
• Solid State Relay to Operate Squeeze Valve in Spot – Seam – Roll spot Mode
• Solid State Relay to Turn On Motor or Air Brake in Seam or Roll spot Mode
• Emergency Halt Input
• Retraction and Two Stage Foot Switch Input
• Opto Isolation Input/Output to Central Interlock Scanner
• Visual Peripheral Diagnostics
• Operating Temperature: 0-50 Degrees Centigrade
• Cabinet Dimensions: 14″h x 14″w x 6″d

Timing Functions

• tip travel time : 00-99
• precompression time : 00-99
• squeeze time : 00-99
• impulses : 00-99
• cool time : 00-99
• forge delay time : 00-99
• heat time : 00-99
• heat % : 00-99
• heat decay time : 00-99
• heat decay % : 00-99
• hold time 02-99
• off time : 00-99