Intertron Model 109A

Single Phase Resistance Welding Controller

All the Features of Your Most Powerful Control with the Ease of Thumb Wheel Operation

Model 109A — Detail Picture — Cabinet Style “A”

Standard Features:

• Spot Weld Operation
• 4 Modes of Thumb Wheel Switch Operation
• Triple Foot Switch Input with Two Stage Initiation
• Triple Palm Button Input with Dual Mode Anti-Tie Down Initiation
• 87 Degree Fire Limit
• Half Cycle Alternate Polarity
• Direct Interface to Model 375, 10 Station Intertron Scanner
• Weld/No Weld Switch
• Pressure Switch Input
• Emergency Stop Switch Input
• LED Warning Signal if the Foot Switch is Closed upon Power Up
• Thumb Wheel Switches Operational Integrity Test with Visual Feedback

Note: Model 109 is identical to 109A less the “# impulses” thumb wheel.

Optional Features:

• Butt weld Operation
• Seam weld Operation
• Seam – Spot – Roll On/Off Switch
• 50 Hz or 60 Hz Operation
• Magnetic Circuit Breakers

Specifications:

• Control Transformer:
• Standard Input:
• 60 Hz 200VAC-220VAC-240VAC-440VAC-480VAC @ 150VA
• Optional Inputs:
• 60 Hz @ 150VA
• 50 Hz 240VAC-380VAC-415VAc-480VAC-575VAC @ 150VA
• Cabinet Sizes:
• Style “A” Cabinet: 16.5″ x 16.5″ x 9″ (H x W x D)
• Style “B” Cabinet: 17″ x 20″ x 11″ (H x W x D)
• Style “C” Cabinet: 30″ x 20″ x 11″ (H x W x D)
• Style “D” Cabinet: 36″ x 30″ x 12″ (H x W x D)
• Valve Outputs:
• Squeeze 120VAC-20VA max
• Butt Weld Clamp 120VAC-20VA max (Optional)
• Seam/Roll Spot Relay On/Off Output 120VAC-20VA max (Optional)
• Contractor Sizes:
• 300 Amp Free Convection Air-Cooled Contactor in Style “B” Cabinet
• 600 Amp & 1200 Amp Indirect Water Cooled Contactor in Style “A” or “B” Cabinet
• 600 to 3200 Amp Direct Cooled Contactors in Style “B” Cabinet