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Model 870 AC Current Controller

Model 870 AC Current Controller
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Model 870 AC Current Controller

Product catalog summary
Product Overview: The document provides technical specifications for the AC Current Level Controller Series 870 by American Aerospace Controls Inc. It includes details on molded terminal blocks, current ranges, input and output specifications, and environmental conditions.
Specifications:
  • Molded Terminal Block: Features 6-32 terminal screws with 7/16 inch center-to-center spacing, accepting wire sizes up to 12 AWG and wire lugs up to 5/16 inch wide.
  • Current Ranges: Available in various models ranging from 1 to 300 Amps AC.
  • Frequency: Operates between 47 to 63 Hz.
  • Overload Rating: 500A for 30 seconds per hour.
Output Specifications:
  • Relay Contact Ratings: SPDT, actuated at set point, 10 Amps at 250 Vac or 24 Vdc.
  • Set Point: Adjustable from 20% to 100% full scale, with repeatability of ±0.5% of range.
  • Reset: Automatic when current falls 20% below set point.
  • Response Time: Typically 500 milliseconds.
  • Optional Time Delay: Adjustable from 0.5 to 15 seconds.
Supply Specifications:
  • Voltage: Standard 115 Vac (105 min. - 130 max.), optional 220 Vac (200 min. - 260 max.).
  • Frequency: 47 to 63 Hz.
  • Burden: 4Va max.
Environmental and Physical Specifications:
  • Operating Temperature Range: -20°C to +70°C.
  • Isolation: Input, relay, and case are isolated.
  • Dielectric Strength: 2000V RMS.
  • Weight: Maximum 2 lbs.
Terminal Identification:
  • 1-2: AC Supply Voltage
  • 3: Case Ground
  • 4-5-6: Relay Contacts
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Catalog excerpts

Model 870 AC Current Controller-1

Dimensions in Inches, Tolerances: .XX .03 AC CURRENT LEVEL CONTROLLER SERIES 870 PART NO. ENVIRONMENTAL AND PHYSICAL SPECIFICATION TERMINAL IDENTIFICATION 1-2 3 4-5-6 AC SUPPLY VOLTAGE CASE GROUND RELAY CONTACTS NOTE: MOLDED TERMINAL BLOCK WITH 6-32 TERMINAL SCREWS, 7/16 IN. CENTER TO CENTER SPACING. ACCEPTS WIRE SIZES UP TO 12 AWG AND WIRE LUGS UP TO 5/16 IN. WIDE AAC Cage Code Ident. No. 15948 AAC American Aerospace Controls Inc., 570 Smith St, Drawing Number website: www.a-a-c.com

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