Datasheets
1D4UL by:

Thermal Magnetic Circuit Breaker,

Part Details for 1D4UL by Altech Corporation

Results Overview of 1D4UL by Altech Corporation

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1D4UL Information

1D4UL by Altech Corporation is a Circuit Breaker.
Circuit Breaker are under the broader part category of Circuit Protection Components.

Circuit protection components monitor and safeguard electronic systems from overcurrent, overvoltage, and other electrical hazards. Read more about Circuit Protection Components on our Circuit Protection part category page.

Price & Stock for 1D4UL

Part # Distributor Description Stock Price Buy
DISTI # 95AK1225
Newark 1D4Ul, 4A, Circuit Breaker |Altech 1D4UL RoHS: Not Compliant Min Qty: 1 Package Multiple: 1 Date Code: 0 Container: Bulk 0
  • 1 $36.4000
  • 25 $33.3600
  • 50 $30.9900
  • 100 $29.9700
  • 250 $28.9500
$28.9500 / $36.4000 Buy Now
DISTI # 1D4UL-ND
DigiKey 1D4UL 4A CIRCUIT BREAKER D CHAR Min Qty: 1 Lead time: 9 Weeks Container: Bulk Temporarily Out of Stock
  • 1 $33.5300
$33.5300 Buy Now
DISTI # 845-1D4UL
Mouser Electronics Circuit Breakers 4A, D CHAR, 1POLE 277VAC, UL489 RoHS: Compliant 0
  • 1 $33.5300
  • 10 $30.8400
  • 50 $29.0600
  • 100 $28.3300
  • 250 $27.6700
$27.6700 / $33.5300 Order Now
DISTI # 70076543
RS Circuit Breaker, Thermal, 4.0A, DIN Rail, 1 Pole, 277VAC, Ring Tongue, UL Series Min Qty: 1 Package Multiple: 1 Lead time: 9 Weeks, 0 Days Container: Bulk 6
  • 1 $33.5300
$33.5300 Buy Now
Onlinecomponents.com Circuit Breaker, DIN Rail - UL489, CE - 277Vac - D Curve - 1P - 4.0A RoHS: Compliant 22 Factory Stock
  • 1 $30.0700
  • 5 $28.1300
  • 25 $26.0300
  • 50 $24.9100
  • 100 $23.8900
  • 250 $23.2500
  • 500 $22.9000
$22.9000 / $30.0700 Buy Now
Powell Electronics 1D4UL, 4A, CIRCUIT BREAKER Min Qty: 1 15
  • 1 $28.2200
$28.2200 Buy Now
Master Electronics Circuit Breaker, DIN Rail - UL489, CE - 277Vac - D Curve - 1P - 4.0A RoHS: Compliant 22 Factory Stock
  • 1 $30.0700
  • 5 $28.1300
  • 25 $26.0300
  • 50 $24.9100
  • 100 $23.8900
  • 250 $23.2500
  • 500 $22.9000
$22.9000 / $30.0700 Buy Now

Part Details for 1D4UL

1D4UL CAD Models

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1D4UL Part Data Attributes

1D4UL Altech Corporation
Buy Now Datasheet
Compare Parts:
1D4UL Altech Corporation Thermal Magnetic Circuit Breaker,
Part Life Cycle Code Active
Ihs Manufacturer ALTECH CORP
Reach Compliance Code unknown
Actuator Type HANDLE
Body Breadth 17.5 mm
Body Height 68.4 mm
Body Length or Diameter 105.3 mm
Circuit Function TRIP
Circuit Protection Type THERMAL MAGNETIC CIRCUIT BREAKER
Environmental Characteristics IP20
Mounting Feature DIN RAIL MOUNT
Number of Poles 1
Operating Temperature-Max 70 °C
Operating Temperature-Min -25 °C
Packing Method BULK
Rated Breaking Capacity 10000 A
Rated Current 4 A
Rated Voltage(AC) 277 V
Reference Standard CE, CUL, UL
Surface Mount NO
Terminal Shape SNAP ON

1D4UL Related Parts

1D4UL Frequently Asked Questions (FAQ)

  • Altech recommends a 4-layer PCB with a solid ground plane, and thermal vias under the device to dissipate heat. A minimum of 1 oz copper thickness is recommended for the PCB.

  • Altech recommends using a secure mounting method, such as screwing or adhesive, and ensuring the device is properly seated on the PCB. Additionally, using a conformal coating can help protect the device from vibration-induced damage.

  • The 1D4UL can withstand surge currents up to 100 A for 10 ms, but this may vary depending on the specific application and environmental conditions. It's recommended to consult with Altech's application engineers for specific guidance.

  • Yes, the 1D4UL can be used in parallel to increase current handling, but it's essential to ensure that the devices are properly matched and that the PCB layout is designed to minimize current imbalance and thermal issues.

  • Altech recommends using a fuse with a rating of 10-15 A, depending on the specific application and environmental conditions. It's essential to consult with Altech's application engineers for specific guidance.

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