• A1P--A1Z-Family
The A1P is a proportional, infinitely variable power controller capable of delivering 0-97% of the applied line voltage to the directly connected electric heaters. The A1P will not control transformers or motors. This is accomplished by phase angle firing a pair of inversely connected SCR's. Modular construction allows for simple and solderless field serviceability. There are four field replaceable items:
  • Printed circuit board
  • Fuse
  • Dual SCR package
  • MOV (metal oxide varistor)
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Item #

Item Name

Voltage Designations

Load

Output Voltage

Control Signal

CAD

N/A A1P-27-80 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 80 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-100 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 100 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-150 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 150 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-200 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 200 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-225 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 225 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-250 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 250 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-350 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 350 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-27-600 Series Single Phase SCR Power Controller N/A 277 VAC 50/60 Hz N/A 600 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-30 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 30 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-40 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 40 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-60 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 60 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-80 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 80 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-100 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 100 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-150 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 150 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-200 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 200 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-225 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 225 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-250 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 250 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-350 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 350 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-38-600 Series Single Phase SCR Power Controller N/A 380 VAC 50/60 Hz N/A 600 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-30 Series Single Phase SCR Power Controller N/A 480 VAC 50/60 Hz N/A 30 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-40 Series Single Phase SCR Power Controller N/A 480 VAC 50/60 Hz N/A 40 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-60, 480 Volt (V), 60 Ampere (A) Load SCR Power Controller N/A 480 VAC 50/60 Hz N/A 60 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-80, 480 Volt (V), 80 Ampere (A) Load SCR Power Controller N/A 480 VAC 50/60 Hz N/A 80 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-100, 480 Volt (V), 100 Ampere (A) Load SCR Power Controller N/A 480 VAC 50/60 Hz N/A 100 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
N/A A1P-48-150, 480 Volt (V), 150 Ampere (A) Load SCR Power Controller N/A 480 VAC 50/60 Hz N/A 150 AMPS N/A 0 to 97% of input voltage N/A 4 to 20 mA at 5 volts DC, 250 Ohms N/A CAD Icon (for items table)
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