Square D - HDA36020 20A 3-Pole 600V I-Line Plug-In Circuit Breaker
Square D - HDA36020 20A 3-Pole 600V I-Line Plug-In Circuit Breaker
Product images are representative only. Actual product may vary.
The Square D HDA36020 is a 3-pole, 20-amp thermal magnetic molded case circuit breaker (MCCB) rated for 600VAC with I-Line plug-in mounting. Manufactured by Schneider Electric, this HD-frame breaker provides reliable overload and short-circuit protection for commercial and industrial three-phase branch circuits in 600V distribution systems. Its compact I-Line plug-in design makes it easy to install and replace in compatible Square D switchboards and panelboards.
Specifications
| Attribute | Value |
|---|---|
| Part Number | HDA36020 |
| Manufacturer | Square D / Schneider Electric |
| Amperage Rating | 20A |
| Voltage Rating | 600VAC |
| Number of Poles | 3 |
| Trip Type | Thermal Magnetic |
| Mount Type | I-Line Plug-In |
| Interrupting Rating | 65kA @ 240V / 25kA @ 600V |
| Standard | UL 489 Listed |
| Frame Series | HD |
Key Features
- I-Line plug-in mounting for tool-free installation in Square D HD-frame switchboards
- Thermal magnetic trip for reliable overload and instantaneous short-circuit protection
- 20-amp, 600V rating for light industrial and commercial three-phase branch circuits
- 3-pole design for balanced three-phase 600V protection
- UL 489 Listed, NEC compliant
- Compatible with Square D HD-frame I-Line accessories
Common Applications
- 20A three-phase branch circuit protection in 600V industrial panels
- Control panel and small equipment branch circuit protection
- Light commercial and industrial branch circuits at 600V
- Manufacturing facility distribution switchboard branch circuits
- Replacement breaker in Square D HD-frame I-Line compatible equipment
Frequently Asked Questions
What is the Square D HDA36020?
The Square D HDA36020 is a 20-amp, 3-pole, 600V thermal magnetic I-Line plug-in MCCB used for branch circuit protection in three-phase commercial and industrial 600V electrical distribution systems.
How does the HDA36020 differ from the BJA36020?
Both are Square D 20-amp, 3-pole, 600V I-Line plug-in thermal magnetic MCCBs, but they belong to different frame families: HDA is HD-frame and BJA is BJ-frame. Frame differences affect interrupting capacity, physical dimensions, and compatible switchboard bus types. Check your equipment's required frame before ordering.
Is the HDA36020 in stock?
Yes. Alpha Brokers & Controls stocks the Square D HDA36020 and ships quickly. Contact us for current availability and pricing.