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circuit-breaker

Siemens HED42B020L - 20 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Part Number HED42B020L
Amperes 20
Poles 2
Voltage 480
Product Type circuit-breaker
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Manufacturer :Siemens
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Replacement available
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Picture available on request
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CSA / UL Approved
Regular price $710.00
Sale price $710.00 Regular price
Unit price
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Seamless online shopping experience guaranteed with easy shipping and returns policy.

Shop with Confidence: Our Products come with a Reliable Year-Long Warranty.

Icon
Secure transaction
Icon
FREE & fast shipping on orders over $49
Icon
CSA approved with 1 year warranty
Icon
30 day returns
Siemens HED42B020L - 20 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Siemens HED42B020L - 20 A, 480 V, 2-Pole Bolt-On Circuit Breaker | AmpState

Regular price $710.00
Sale price $710.00 Regular price
Unit price
Product description
Shipping

The Siemens HED42B020L is a 20A, 480V, 2-pole bolt-on molded case circuit breaker designed to deliver reliable branch circuit protection in panelboards and load centers. Its secure bolt-on mounting provides a rigid, vibration-resistant bus connection, helping protect critical electrical infrastructure from faults and nuisance trips in challenging environments.

  • Secure bolt-on mounting for a rigid, vibration-resistant bus connection that stays put through equipment movement and temperature shifts.
  • Thermal-magnetic trip unit delivers stable, repeatable overcurrent and short-circuit protection, so you can trust the breaker to respond consistently when it’s needed.
  • 2-pole design at 20A / 480V protects both conductors in higher-voltage circuits, ideal for commercial and light industrial distributions.
  • OEM compatibility designed to pair with matching Siemens OEM load centers and panelboards for a seamless, code-compliant installation.
  • Versatile for multiple settings suitable for residential, commercial, and light industrial applications where reliable protection matters.

With the Siemens HED42B020L, you get a practical, purpose-built solution for dependable branch circuit protection. Its bolt-on approach simplifies retrofits and new installations alike, delivering a durable connection and predictable trip performance that reduces downtime and protects wiring and equipment from faults.

Use cases and applications

  • New panel installations in commercial or light industrial facilities using 480V distribution.
  • Upgrades to protect branch circuits in existing panelboards requiring a robust 2-pole, 20A breaker.
  • Retrofits in equipment racks or switchgear where a secure, vibration-resistant breaker is advantageous.

Technical highlights

  • Manufacturer: Siemens
  • Part number: HED42B020L
  • Type: Thermal-magnetic molded case circuit breaker
  • Amperage rating: 20A
  • Voltage rating: 480V
  • Number of poles: 2
  • Mounting style: Bolt-on
  • Application: Branch circuit overcurrent and short-circuit protection

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What Our Customers Say

4.9 (38 reviews)

General feedback we often hear from customers purchasing industrial electrical parts.

Verified

Solid quality component. Exactly as described on the product page.

Maintenance team · Ontario

Verified

Packaging was secure and the item arrived clean and ready for installation.

Electrical contractor · GTA

Verified

We’ve used this type on multiple jobs and it’s been reliable so far.

Panel shop · Canada/US

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