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Lake Jackson, TX 77566
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Altech Circuit Breakers

Circuit Protection
Devices

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Altech Corp. Expands Its Circuit Protection line!
Altech Corporation, the US market leader in UL508 listed Manual Motor Controllers, has expanded its circuit protection product line.

Altech-s established line of UL508 listed devices is now being complimented by UL 1077 Recognized Supplementary Protectors, UL 489 listed Miniature Molded Case Circuit Breakers and full size UL489 listed Molded Case Circuit Breakers. The result is the broadest line of circuit protection products in the industry.

The UL1077 recognized Supplementary Protectors have an industry standard rating of up to 63A/480Y/277V AC. The UL 489 listed Miniature Molded Case Circuit Breakers offer the highest electrical rating in the industry with 63A/240V AC and 32A/480Y/277V AC.
the full size UL489 listed Molded Case Circuit Breakers come in ratings from 15 to 225A/480V AC and 250 to 600A/600V AC.

This wide selection of circuit protection devices gives the circuit design engineer a greater flexibility when laying out the panel. In addition, they provide the most cost effective solution, since they cover most applications with parts specifically designed to meet UL and NEC requirements. For further information, please click here for application examples.

The Altech Busbar system is a cost effective, less work intensive way to distribute power to up to 57 poles of Altech Manual Motor Controllers (MMC)/ Supplementary Protectors.

UL 489 miniature circuit breaker circuit breakers
L-Series
UL 489 Miniature Molded Case Circuit Breakers
  • Available in AC and DC models
  • DIN Rail Mounted
  • 17.5mm width
  • Thermal Magnetic
  • Electrical Ratings:
    0.2-63A / 240V AC, 50/60Hz
    0.2-32A / 480Y/277V AC, 50/60Hz
    0.2-63A/125/250V DC
  • 125VDC (1 pole); 250VDC (2pole)
  • 10kA Short Circuit Interrupting Capacity
  • Positive Trip indicator
    (Green - off/tripped, Red - on)
  • HACR Type 40 deg.C
  • Line/Load reversible
AB-Series
UL489 Listed Molded Case Circuit Breakers
  • Compact Design
  • Thermal Magnetic
  • Electrical Ratings:
    15-600A/240, 480, 600V AC
  • Up to 100kA Short Circuit interrupting capacity
  • Circuit breakers are supplied with line and load terminal
  • HACR rated
V-EA Series
UL508 Manual Motor Controllers
  • UL508 Listed and CSA C22.2 No. 14 certified
  • Suitable for Motor Disconnect Means
  • Electrical Ratings:
    0.3 - 60A / 480 /277V AC, 50/60Hz
  • Six trip characteristics; 1, 2 and 3 poles + Neutral
  • Also UL1077 recognized
  • Horsepower Ratings for protecting motors up to 40hp
  • 10kA Interrupt Rating
  • Thermal Magnetic Type
  • Provides Overload Protection
    Complementary UL-Listed Busbar System Available
  • Ring Tongue Terminals Available
  • Suitable for Disconnect Use:
  • AC Motors
  • AC General Use Loads
  • AC Ballast Loads
  • AC Tungsten Loads
  • AC Resistance Loads
  • CSA C22.2 No.14 Certified
MA-Series
Three Phase Adjustable Trip
Miniature Circuit Breakers/ Manual Motor Controllers
  • Suitable for Motor Disconnect Means
  • CSA C22.2 No. 14 Certified
  • 10kA Interrupt Rating
  • Electrical Ratings:
    0.16-40A / 480Y/277V AC
  • Thermal Magnetic Type
  • Horsepower Rated for Motor Applications
  • 6 Different Trip Characteristics
MS-Series
Three Phase
Adjustable Trip Economy
Manual Motor Controllers
  • Adjustable Operating Current Up to 100% of Rated Current, 0.1A to 25A in 13 Rated Currents
  • Electrical Ratings:
    0.16-25A / 600V AC, (480V AC for 20/25A models)
  • Temperature compensated and phase failure sensitive
  • Wide range of accessories including, door mounting kits and emergency stops
R-Series
UL 1077 Supplementary Protectors
  • DIN Rail Mounted
  • 17.5mm width per pole
  • Thermal Magnetic
  • Electrical Ratings: 0.5-63A / 480Y/277V AC, 50/60Hz
  • 10kA Short Circuit Withstand Capacity 10kA
  • Positive Trip indicator (Green - off/tripped, Red - on)
  • Applications (on the load side of Branch Circuit Protection) include: Sensitive Electronics, Power Supplies, Appliance circuits, etc.

Altech Busbar Systems

The Altech Busbar system is a cost effective, less work intensive way to distribute power to up to 57 poles of Altech Miniature Circuit Breakers (MCB) and Manual Motor Controllers (MMC), as well as competitors products.

  • 3 Phase Busbars
  • 2 Power Feed Methods
    (Power Feed Lugs and Power Feed Blocks)
  • UL508 Listed UL File 205412
  • Electical Ratings: upto 200A/480VAC
  • Easy Assembly
  • UL Recognized for ABB - S200 Series
  • UL Recognized for Cutler Hammer: WMS Series
  • Please contact us for other MCB's Brands
TR11 Series
UL1077 Recognized Supplementary Protector/
Circuit Breaker for Equipment
  • Electrical Ratings:
    0.5-16.0A / 240V AC, 50/60Hz, 32V DC / 24V DC (VDE)
  • Applications:
    Protection of single phase Motors, Transformers,
    UPS, Power strips, Solenoids etc., against
    damage due to overcurrent conditions.
FI Earth Leakage Circuit Breakers

Compact DIN rail mount FI Earth Leakage Circuit Breakers detect and interrupt ground faults. They are VDE approved for the European system of protecting people, animals, equipment and property from dangerous line-to-ground and shock hazard currents.

US applications include ground fault protection of equipment (GFPE), especially when high distributed capacitance or other leakages cause excessive nuisance trips at lower fault currents.

  • FI Four Pole, 2- or 3-Phase
  • FI Two Pole, Single Phase
  • Electrical Ratings:
    16-63A / 415Y/240V AC
  • Trip Capable on Decayed Line Voltage
  • Marked Approval of VDE
  • Marked "Snowflake" Temperature Range (-25 to 40 deg. C [-13 to 104 deg. F])
  • Marked Trip Sensitivity to Pulsed as well as Sinusoidal Fault Currents
  • Integral Test Circuit
  • Insensitive to Vibration, etc

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