Eaton BQL270 Thermal Magnetic Circuit Breaker - 10 kAIC
Part Number: BQL270
Quick Summary
The Eaton BQL270 thermal magnetic circuit breaker provides reliable overcurrent protection for panelboards and motor control centers. Engineers and install teams often struggle to source bolt-on replacements that fit aging BQL panels without compromising performance. HACR-rated compliance supports safe operation in HVAC and refrigeration control applications, aligning with common industry practices. With a 120/240 V rating and a 70 A capacity, the BQL270 delivers predictable protection while enabling straightforward procurement and installation, reducing commissioning time. This model’s compatibility with Cu/Al wire (#8-2/0 AWG) and its bolt-on, two-pole design make it a practical choice for retrofit projects and new builds alike, helping protect critical equipment and minimize downtime.
Product Information
Extended Description
BQL270 Eaton: BQL Classic Replacement Circuit Breakers, Bolt-on, 70A, #8-2/0 AWG, Two-pole, 10 kAIC at 120/240V
Product Name
Eaton BAB thermal magnetic circuit breaker
Catalog Number
BQL270
UPC
622588004326
Product Length/Depth
5 in
Product Height
2 in
Product Width
3 in
Product Weight
0.5 lb
Compliances
HACR Rated
Circuit breaker type
BQL
Number of poles
Two-pole
Type
Classic replacement circuit breaker
Wire size
#8-2/0 AWG Cu/Al
Amperage Rating
70 A
Interrupt rating
10 kAIC at 120/240 Vac
Voltage rating
120/240 V
Feature → Business Impact → Application: Bolt-on classic replacement circuit breaker design simplifies retrofit projects, enabling rapid switch-outs in legacy BQL panels and reducing commissioning downtime in industrial control rooms. This translates to lower labor costs and boosted panel reliability in manufacturing lines and HVAC controls. Feature → Business Impact → Application: 70 A amperage rating combined with a 10 kAIC interrupt capacity provides robust protection for feeder circuits and motor runs, improving equipment longevity and reducing nuisance trips in demanding environments like machine shops and process plants. Feature → Business Impact → Application: Cu/Al wire compatibility (#8-2/0 AWG) broadens installation options, enhances safety margins, and supports approved wiring practices in electrical cabinets and control panels. Feature → Business Impact → Application: HACR-rated compliance addresses HVAC, refrigeration, and similar applications, ensuring safe operation around conditioned environments and meeting regional safety requirements. Feature → Business Impact → Application: Compact dimensions (5 in L × 3 in W × 2 in H) and lightweight design simplify panel layout, enable cleaner wiring, and expedite field mounting in crowded electrical enclosures across automation racks and distribution panels.
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FAQs
The BQL270 is a bolt-on, two-pole circuit breaker designed for older BQL panel installations. It accepts Cu/Al wire in the #8-2/0 AWG range and fits standard residential/commercial electrical panels that accommodate classic replacement breakers, simplifying retrofit projects and minimizing panel redesign.
The BQL270 provides a 70 A amperage rating with a 10 kAIC interrupt capacity at 120/240 VAC. This combination supports reliable short-circuit protection for feeders and motor circuits while maintaining safe operating margins in typical industrial control environments.
Yes. The BQL270 is HACR-rated, which is specifically intended for heating, air conditioning, and refrigeration applications. This rating helps ensure safe operation around HVAC equipment, reducing the risk of nuisance trips and improving system reliability in conditioned spaces.
The unit measures 5 inches in length, 3 inches in width, and 2 inches in height, with a weight of 0.5 lb. It supports Cu/Al wire sizes from #8 to 2/0 AWG, enabling flexible wiring options and straightforward mounting within crowded panels or switchgear racks.
Choose the BQL270 for bolt-on compatibility with legacy BQL systems to minimize downtime during retrofits. Its 70 A rating and 10 kAIC interrupt capacity reduce trip events on heavy loads, while its compact size simplifies panel layout, contributing to faster commissioning and longer equipment life in automation and process environments.