Square D - BJA36020 20A 3-Pole 600V I-Line Plug-In Circuit Breaker
Product images are representative only. Actual product may vary.
The Square D BJA36020 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 BJ-frame breaker provides reliable overload and short-circuit protection for commercial and industrial three-phase branch circuits in 600V electrical 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 | BJA36020 |
| 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 | BJ |
Key Features
- I-Line plug-in mounting for tool-free installation in Square D BJ-frame switchboards
- Thermal magnetic trip for time-delay overload and instantaneous fault protection
- 20-amp, 600V rating for light industrial and commercial three-phase branch circuits
- 3-pole configuration for balanced three-phase protection
- UL 489 Listed, NEC compliant
- Compatible with Square D BJ-frame I-Line accessories
Common Applications
- 20A three-phase branch circuit protection in 600V industrial panels
- Control equipment and small motor branch circuit protection
- Manufacturing facility distribution switchboard branch circuits
- Commercial building branch circuits at 600V
- Replacement breaker in Square D BJ-frame I-Line compatible switchgear
Frequently Asked Questions
What is the Square D BJA36020?
The BJA36020 is a 20-amp, 3-pole, 600V thermal magnetic I-Line plug-in MCCB from Square D used for branch circuit protection in three-phase commercial and industrial 600V electrical distribution systems.
How does the BJA36020 differ from the HDA36020?
Both are Square D 20-amp, 3-pole, 600V thermal magnetic I-Line MCCBs, but in different frames: BJA is BJ-frame and HDA is HD-frame. Frame differences affect interrupting ratings, physical size, and switchboard bus compatibility. Always confirm the required frame type before ordering.
Is the BJA36020 in stock?
Yes. Alpha Brokers & Controls stocks the Square D BJA36020. Contact us for current availability and fast shipping.