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In today’s very competitive marketplace you need reliability, so you need to use circuit breakers that are high quality and technically correct for your application. Altech is a US leader in DIN rail mounted breakers with ratings up to 63A. Only Altech offers DIN rail mounted breakers that meet UL489, UL508 or UL1077 approvals with a short circuit interrupt capacity of up to 10kA. No other manufacturer offers this complete line. This assures you the right product for your application requirements.

UL489
When you need branch circuit protection, Altech offers UL489 Miniature Molded Case Circuit Breakers in both AC and DC voltages. The AC version offers dual voltage rated circuit breakers at 0.2-63A/240VAC and 0.2-32A/480Y/277VAC in 1-3 poles. The DC version offers 0.2-63A at 125V (1 pole) and 250V (2 pole).

UL508
If your application requires a manual motor controller, Altech is the leading US supplier of UL508 Manual Motor Controllers (MMC). In AC, we offer up to 60A in 1 to 3 poles at 480Y/277VAC. With 6 trip curves, Altech has the largest selection in the industry. This ensures you the selectivity you require for your application designs. Our MMCs have a 10kA short circuit withstand capacity, this is the highest rating in the industry. The AC version is rated up to 60A and is DC rated in 2 poles up to 80VDC.

UL1077
When your application requires supplemental protection for control circuits and on the load side of branch circuit protectors Altech has solutions. We offer a competitive line of AC Supplementary Protectors, up to 63A, in 1 to 3 poles at 480Y/277VAC with a 10kA short circuit withstand rating.

   
Altech Circuit Breaker Advantages Altech circuit breakers

4 page Breaker Comparison

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8 page Shortform Catalog

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Altech Circuit Protection Video

Circuit Breaker Specification Sheets
Selection Guide

UL489 (DLS9 Series) UL508 (DLS8 Series) UL1077 (DLS7 Series)
breaker photo

1C_DLS9_(UL489)-DC
1C_DLS9_(UL489)
1D_DLS9_(UL489)-DC
1D_DLS9_(UL489)

breaker photo 1B_DLS8_(UL508)
1C_DLS8_(UL508)
1D_DLS8_(UL508)
1E_DLS8_(UL508)
1G_DLS8_(UL508)
1Z_DLS8_(UL508)
breaker photo 1B_DLS7_(UL1077)
1C_DLS7_(UL1077)
1D_DLS7_(UL1077)

breaker photo 2C_DLS9_(UL489)-DC
2C_DLS9_(UL489)
2D_DLS9_(UL489)-DC
2D_DLS9_(UL489)
breaker photo 2B_DLS8_(UL508)
2C_DLS8_(UL508)
2D_DLS8_(UL508)
2E_DLS8_(UL508)
2G_DLS8_(UL508)
2Z_DLS8_(UL508)
breaker photo 2B_DLS7_(UL1077)
2C_DLS7_(UL1077)
2D_DLS7_(UL1077)

breaker photo 3C_DLS9_(UL489)
3D_DLS9_(UL489)
breaker photo 3B_DLS8_(UL508)
3C_DLS8_(UL508)
3D_DLS8_(UL508)
3E_DLS8_(UL508)
3G_DLS8_(UL508)
3Z_DLS8_(UL508)
breaker photo 3B_DLS7_(UL1077)
3C_DLS7_(UL1077)
3D_DLS7_(UL1077)

breaker photo 4C_DLS9_(UL489)
4D_DLS9_(UL489)
breaker photo 3B_DLS8_(UL508)
3C_DLS8_(UL508)
3D_DLS8_(UL508)
3E_DLS8_(UL508)
3G_DLS8_(UL508)
3Z_DLS8_(UL508)
breaker photo Contact Altech
UL489 (DLS9 series) - B and Z trip versions available upon request.
Please contact Altech Corp. for details.
       

Altech Doepke UL489

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UL(AC), DL(DC) - Series 
UL489 Miniature Molded Case
Circuit Breakers

  • Available in AC and DC models
  • DIN Rail Mounted
  • 17.5mm width
  • Thermal Magnetic
  • 240V, 480Y/277V AC, 50/60Hz
  • 125V DC (1 pole); 250V DC (2pole)
  • 10kA Short Circuit
    Interrupting Capacity
  • HACR Type 40°C
  • Line/Load reversible

Altech Doepke UL508

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UM - Series
UL508 Listed Manual Motor Controllers
“Suitable as Motor Disconnect”
  • DIN Rail Mounted
  • 17.5mm width per pole
  • Thermal Magnetic
  • 0.3-60A / 480Y/277V AC, 50/60Hz
  • 10kA Short Circuit
    Withstand Capacity
  • Applications Include:
    • AC Motor Starting, Across the Line
    • AC General Use
    • AC Resistance
    • AC Discharge Lamps (Ballast)
    • AC Incandescent Lamps (Tungsten)

Altech Doepke UL1077

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UR - Series
UL1077 Recognized Supplementary Protector
  • DIN Rail Mounted
  • 17.5mm width per pole
  • Thermal Magnetic
  • 0.3-60A / 480Y/277V AC, 50/60Hz
  • 10kA Short Circuit
    Withstand Capacity
  • Applications (on the load side
    of Branch Circuit Protection)
    include: Sensitive Electronics,
    Power Supplies, Appliance
    circuits, etc.

Altech UL489

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Temporarily unavailable/ long lead time item

L - Series
UL 489 Miniature Molded Case
Circuit Breakers

  • Available in AC and DC models
  • DIN Rail Mounted
  • 17.5mm width
  • Thermal Magnetic
  • 240V, 480Y/277V AC, 50/60Hz
  • 125VDC (1 pole); 250VDC (2pole)
  • 10kA Short Circuit
    Interrupting Capacity
  • Positive Trip indicator
    (Green - off/tripped, Red - on)
  • HACR Type 40°C
  • Line/Load reversible

Altech UL508

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Temporarily unavailable/ long lead time item

M - Series
Manual Motor Controller with Disconnecting Mean
UL508 Listed Circuit Breakers

  • DIN Rail Mounted
  • 17.5mm width per pole
  • Thermal Magnetic
  • 480Y/277V AC, 50/60Hz
  • 10kA Short Circuit Withstand Capacity
  • Line / Load Reversable
  • Positive Trip indicator (Green - off/tripped, Red - on)

Altech UL1077

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Temporarily unavailable/ long lead time item

R - Series
UL1077 Recognized Supplementary Protectors

  • DIN Rail Mounted
  • 17.5mm width per pole
  • Thermal Magnetic
  • 480Y/277V AC, 50/60Hz
  • 10kA Short Circuit
    Withstand Capacity
  • 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 UL489 Busbar

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UL489
Busbar System
  • The Altech Busbar System is an innovative way to jumper up to 57 poles of Miniature Circuit Breakers (MCB).

    The advantages of this busbar system are:

    • 30% Installation time savings
    • Panel space savings
    • Reduced maintenance
    • High electrical ratings

Altech UL489 Busbar

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Cuttable UL489
Busbar System
  • Ratings of up to 115A
  • UL listed for use with most competitor’s UL 489 Miniature Circuit Breakers

    • 30% Installation time savings
    • Panel space savings
    • Reduced maintenance
    • High electrical ratings

Altech UL489 Busbar

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Cuttable UL508 / UL1077
Busbar System
  • The Altech Busbar System is an innovative way to jumper up to 57 poles of Manual Motor Controllers (MMC) and Supplementary Protectors (SP).

    The advantages of this busbar system are:

    • 30% Installation time savings
    • Panel space savings
    • Reduced maintenance
    • High electrical ratings

GFL 2 Pole

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Temporarily unavailable/ long lead time item


GFL Series (5A - 40A)

10kA UL489 Listed Branch Circuit Breaker with
Equipment Ground Fault Protection (RCBO)

The UL 489 Branch Circuit with Ground Fault Relay is the 1st in the industry! Since it includes a UL 489 Branch Circuit Protector, in many cases there is no need for upstream circuit protection. It comes in 1+N pole, 2 pole and 2 pole +N configurations at 240V AC, 120/240V AC. It has a rated current of 5 - 40A. It also has a Rated Short Circuit Interrupt Capacity of 10kA and comes in Overload tripping curves B, C and D. The Rated Frequency is 50/60Hz.

GFL 2 Pole

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Temporarily unavailable/ long lead time item

GF Series (up to 63A)
480Y/277V AC Ground Fault Sensing
and Relaying Device (RCCB)

The UL 1053 approved device comes in 1 pole + N and 3 pole + N at 277V AC, 480Y/277V AC. It has a Rated Current of 25, 40 and 63A. It also has a Rated Short Circuit Withstand Capacity of 10kA and a Rated Frequency of 50/60Hz.

GFL 2 Pole

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Temporarily unavailable/ long lead time item

GFR Series (5A - 40A)
480Y/277V AC Ground Fault Relay
with Overload Protection (RCBO)

The UL 1077/1053 device comes in 1 pole + N and 3 pole + N at 277V AC, 480Y/277V AC. Rated Current ranges from 5 - 40A. It also has a Rated Short Circuit Withstand Capacity of 10kA, and comes in Overload tripping curves B, C and D. The Rated Frequency is 50/60Hz.

Altech Doepke UL1077

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DFS - Series
RCCB Earth Leakage Circuit Breakers

Compact DIN rail mount RCCB 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.

Altech Doepke UL1077

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MA - Series
Three Phase Adjustable Trip
Miniature Circuit Breakers/ Manual Motor Controllers

The MA was designed to handle the high inrush loads of 3 phase transformers, power supplies, motors, etc. The MA protects wiring and equipment from damage caused by the three major classes of overcurrent, yet greatly reduces the number of nuisance trips in high starting and inrush current circuits.

Altech Doepke UL1077

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TR - 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 Control Transformers, UPS, Power strips, Solenoids etc., against damage due to
overload conditions.



   
   
  For more information contact Altech at:
908-806-9400 • 908-806-9490 (FAX) • info@altechcorp.com • 35 Royal Road, Flemington, NJ 08822