Rated 10 kAIC at 120/240V, this two-pole 30A circuit breaker delivers consistent long-time and instantaneous trip protection. The Quicklag QCR series features a narrow half-inch width per pole to maximize available space in crowded enclosures. It installs onto standard DIN rails and comes equipped with factory-installed line and load box lugs. Ideal for commercial facilities, OEM control panels, and telecom power distribution, it carries full HACR and UL 489 ratings.
DIN Rail, OEM Control Panels, Telecom Power Systems
Wire Gauge
14-4 AWG
Max Wire
4 AWG
Min Wire
14 AWG
Protection and operation
Trip Technology
Thermal Magnetic
Trip Function Code
LI
Trip Function
Long-Time, Instantaneous
Trip Adjustability
Fixed
Standards and features
Available Options
Padlock Attachment
Accessories
Line and Load Lugs Included
Standards
CSA C22.2 No. 5, UL 489
Approval
CSA, HACR, UL
Temp Rating
40C
Construction Features
HACR Rated
Product FAQs
7 answers
What types of applications is the Eaton QCR2030 suitable for?
The QCR2030 is commonly used in OEM control panels, telecom power systems, and DIN rail-mounted commercial applications where panel space is limited.
How is the QCR2030 circuit breaker mounted?
This breaker features a rear-mounting design and installs onto standard DIN rails. It utilizes a feed-thru, cable-in/cable-out connection with factory-installed box lugs.
What is the physical width of the QCR2030 breaker?
The Quicklag QCR series features a narrow 1/2-inch width per pole. This makes the 2-pole QCR2030 exactly 1 inch wide in total, which helps maximize available space in crowded enclosures.
What wire gauge sizes are accepted by the terminals on the QCR2030?
The factory-installed box lugs on this breaker accept wire sizes ranging from 14 AWG to 4 AWG for feed-thru connections.
Can the Eaton QCR2030 be used in DC power systems?
Yes. In addition to its AC ratings, this breaker is rated for DC applications with an interrupting capacity of 3kAIC at 48VDC and 62.5VDC.
What type of trip mechanism does the QCR2030 use?
It utilizes a fixed thermal-magnetic trip unit that provides both long-time overload protection and instantaneous short-circuit protection.
Is the QCR2030 part of the Eaton Quicklag family?
Yes, it is part of the Eaton / Cutler-Hammer Quicklag QCR series of industrial miniature circuit breakers.
SuperClub
Join free. Get 500 SuperPoints.
Earn points on eligible purchases and redeem them at checkout.
We source obsolete and hard-to-find parts every day.
Shipping
Free Shipping Policy
Parcel shipments with item value over $99 qualify for free economy shipping within the continental US. Please call to confirm special handling instructions. We do not charge a handling fee or require a minimum amount on any order. SuperBreakers does not ship on customer accounts.
We strive to ship out your items the same day the order is placed. In rare circumstances SuperBreakers may reserve up to 5 business days to consolidate orders for complete shipment.
Expedited Shipments
Orders being shipped via Next Day Air, 2 Day Shipping or 3 Day Shipping must be received by 3 PM EST to guarantee same-day shipments. Expedited orders only ship on normal business days. Shipments will NOT be sent out on Saturdays and Sundays.
International Shipping
All International orders require a $1,000 minimum order threshold. Due to the special nature of these shipments, we require that these be placed with a SuperBreakers representative. Additional shipping and instructions will apply. All International Orders are Non-Cancel and Non-Refundable.