Description
Heinemann CD3-A8-DU 50A 3-Pole 240VAC Hydraulic-Magnetic Circuit Breaker
A 3-pole hydraulic-magnetic circuit breaker rated for 50 amps at 240V AC. This device provides overcurrent protection and switching control in three-phase electrical systems.
Specifications & What's Included
- Model: CD3-A8-DU
- Voltage Rating: 240V AC
- Current Rating: 50A
- Poles: 3
- Trip Mechanism: Hydraulic-Magnetic
- Time Delay Rating: 100
- Manufacturer: Heinemann Electric Co., USA
- Circuit breaker only
Applications
Hydraulic-magnetic circuit breakers are used in industrial and telecom equipment for motor protection and load switching. This 3-pole design handles three-phase power distribution. Such breakers were common in control panels, machinery, and telecommunications infrastructure before solid-state alternatives became standard.
Condition: Used
This Heinemann CD3-A8-DU 50A 3-pole 240VAC hydraulic-magnetic circuit breaker has been tested in working order using a multi-meter OHM resistance test. Beyond that continuity verification, no further functional testing has been performed. The unit shows normal wear consistent with prior service use, as visible in our photos. Please note that we may have multiple units in stock and the unit shipped may vary slightly from the one photographed, but will be the same model and specification. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
This Heinemann CD3-A8-DU 50A 3-pole 240VAC hydraulic-magnetic circuit breaker has been tested in working order using a multi-meter OHM resistance test. Beyond that continuity verification, no further functional testing has been performed. The unit shows normal wear consistent with prior service use, as visible in our photos. Please note that we may have multiple units in stock and the unit shipped may vary slightly from the one photographed, but will be the same model and specification. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
Warranty Information
We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information
Brand: |
Heinemann Electric Co. |
Model: |
CD3-A8-DU |
MPN: |
CD3-A8-DU |
Type: |
Hydraulic-Magnetic Circuit Breaker |
SKU: |
45933 |
Voltage Rating: |
240V AC |
Current Rating: |
50A |
Number of Poles: |
3 |
Trip Mechanism: |
Hydraulic-Magnetic |
T.D. Rating: |
100 |
Special Purpose: |
Spec. Purpose – Not for General Use |
Phase: |
Three Phase |
Condition: |
Used – Tested via OHM Resistance Test |
Country/Region of Manufacture: |
United States |
Seller Notes: |
Circuit breaker only; tested via multi-meter OHM resistance test. |
Condition Notes: |
Heinemann CD3-A8-DU 50A 3-pole 240VAC circuit breaker. Tested in working order via multi-meter OHM resistance test. No further testing performed. Shows normal service wear. Unit shipped may vary from photo. |