qo340 shunt trip breaker

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• Circuit Breakers

QO340-1021 Shunt Trip 40 Amp Plug-On Circuit Breaker by Square D

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Square D by Schneider Electric

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Product Description

• Shunt Trip Breaker 120V
• Accessory 
• OEM Square D

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• Supplemental and Obsolescence Digest 178

Section 7: Miniature and Molded Case Circuit Breakers

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QO Plug-On Circuit Breakers

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Class 730, 731, 733 / Refer to Catalog: 0730CT9801

Qo standard plug-on circuit breakers.

Square D brand QO miniature circuit breakers are plug-on products for use in QO load centers, NQOD and NQ panelboards, NQOD and NQ OEM interiors or Speed-D™ switchboard distribution panels. Bolt-on QOB circuit breakers are for use in NQOD and NQ panelboards or interiors. [1]

The Square D exclusive Qwik-Open™ mechanism, with a trip reaction within 1/60th of a second, is standard on all 1P 15 and 20 A QO circuit breakers.

Standard QO Plug-On Circuit Breakers

Qo/qob 48 vdc 5 ka, qo/qob ring terminal, qo/qob ring terminal—factory-installed only, wire sizes for qo/qob circuit breakers, qot and qo tandem circuit breakers.

QOT tandem circuit breakers have a mounting cam as shown. Installation into a QO load center can only be made in those positions having a mounting pan rail slot. Meets Paragraph 408.54 of the NEC ® . UL Listed as Class CTL.

QOT Tandem Circuit Breakers (CTL)—Not Compatible with Plug-on Neutral Systems

Qo tandem circuit breakers (non-ctl)—compatible with plug-on neutral systems, class 685, 690, 730, 912, 950 / refer to catalog: 0730ct9801, qo arc-fault circuit breaker (qo-cafi).

QO arc-fault circuit breakers provide protection for Series and Parallel Type Arcing as required by the NEC and local code adoption, and comply with UL1699.

QO-CAFI Circuit Breakers

Qo dual function circuit breaker.

QO Combination Arc Fault and Ground Fault Circuit Interrupters (Dual Function) provide overload and short circuit protection, plus arc fault and ground fault protection in accordance with the NEC, UL1699 and UL943.

QO-DF Circuit Breakers

Qo ground-fault circuit breakers (gfi).

Qwik-Gard ™ circuit breakers provide overload and short circuit protection, combined with Class A ground fault protection. Class A denotes a ground fault circuit interrupter that will trip when a fault current to ground is 6 mA or more, for people protection. Do not connect to more than 250 feet of load conductor for the total one-way run to prevent nuisance tripping.

QO-GFI Circuit Breakers

Qo-epd/epe circuit breakers.

QO-EPD/EPE circuit breakers provide overload and short circuit protection combined with Class B ground fault protection. They are designed to provide ground fault protection of equipment at a 30 mA level (EPD) or 100 mA level (EPE). They are not designed to protect people from electrical shock.

QO-EPD Circuit Breakers

Qo switch neutral common trip circuit breakers (qo-swn).

Switch Neutral Common Trip 2008 NEC ® 514.11

QO-SWN Circuit Breakers

Qo high intensity discharge circuit breakers (qo-hid).

HID circuit breakers are for use on circuits feeding fluorescent and high intensity discharge (HID) lighting systems such as mercury vapor, metal halide, or high pressure sodium. These circuit breakers are physically interchangeable with QO circuit breakers.

QO-HID Circuit Breakers

Qo key operated circuit breakers (qo-k).

Key operated QO circuit breakers are available in single-pole construction and can be mounted in any single-pole space which will accept a standard QO circuit breaker. These circuit breakers can be turned ON or OFF or to RESET with a special key (catalog number QOK10) included with the circuit breaker. These circuit breakers are UL Listed and available as shown in the table.

QO-K Circuit Breakers

Qo high magnetic trip circuit breakers (qo-hm).

High magnetic trip circuit breakers are recommended for applications where high initial inrush may occur and for individual dimmer applications.

QO-HM Circuit Breakers

Non-automatic (standard) miniature switches.

Miniature non-automatic switches have the same physical packaging as miniature circuit breakers, but open only when the handle is switched to the OFF position.

Non-automatic switches provide no overcurrent protection or short circuit protection. They must not be used on systems that have an available fault current greater than the values listed in the table. Non-automatic switches are UL Listed per UL 1087 and are CSA certified.

QO Non-Automatic Miniature Switches, 240 Vac 10 kA

• See Digest Section 1 for load centers and Section 9 for panelboards and interiors.
• 10–30 A circuit breakers are suitable for use with 60 o C or 75 o C conductors. 35–125 A circuit breakers are suitable for use with 75 o C conductors.

UL Listed 5 k AIR on corner grounded Delta systems.

• UL Listed as HACR type for use with air conditioning, heating and refrigeration equipment haing motor group combinations and marked for use with HACR type circuit breakers.
• UL Listed as SWD (switching duty) rated. Suitable for switching 120 Vac fluorescent lighting loads.
• Requires four spaces (1 AWG–300 kcmil Al/Cu.) Suitable for switching 120 Vac fluorescent lighting loads.
• Not suitable for use in 3Ø panels. Use only in 1Ø panel rated 150 A or greater.
• UL Listed for use ahead of QO, QO-GFI, QO-EPD, QOT, QO-AFI, and QO-PL 10 k AIR circuit breakers to permit their application at 22 kA fault level.
• 100 A maximum branch mounted opposite.
• Order only. Contact your local Field Office.
• Includes two circuit breakers (one QO2030 and one QO3020) and handle tie QOTHT.
• For 120/240 V only, not for 208Y/120 V.
• 10–30 A circuit breakers are suitable for use with 60 o C or 75 o C conductors. 35–60 A circuit breakers are suitable for use with 75 o C conductors.
• Suitable only for feeding 240 Vac and 208 Vac two-wire loads. Does not contain load neutral connection.
• New Plug-On Neutral
• See note in Instruction Bulletin when using in an enclosure with a QO403 or QON prefix.

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• Breakers, Load Centers & Fuses
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• Miniature Circuit Breakers

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Square D - QO340CP Circuit Breaker, Black

Purchase options and add-ons, about this item.

• Learn about general NEC 2020 updates; contact your local building inspector for code adoptions and details
• Plug-on design, easy to install
• Designed to protect against overloads and short-circuits
• Quickly identify tripped breakers with our Visi-Trip indicator
• Compatible with Square D QO electrical panels, CSED with 3 spaces

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Interchangeable circuit breakers

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Product Description

The Square D by Schneider Electric QO 40 Amp Three-Pole Circuit Breaker is intended for overload and short-circuit protection of your electrical system. The ANSI-certified and UL-listed unit is rated for 240 VAC and 10,000 AIR. All QO circuit breakers are equipped with the exclusive Visi-Trip indicator. When a QO Visi-Trip circuit breaker trips, the handle snaps to a midpoint position between "OFF" and "ON" and a highly visible, red indicator easily identifies the tripped breaker. This enables you to easily distinguish which breaker has tripped in a load center that may contain up to 42 different circuit breakers. QO circuit breakers have features no other manufacturer can offer. They come in many different sizes and can meet the needs of virtually every function in your home or business. These types of quality, industry exclusive products keep the Square D brand ahead of the competition and are builders' and electrical contractors' first choice in electrical protection.

Top Brand: Square D

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Schneider Electric USA Website

Mini circuit breaker, QO, 40A, 3 pole, 120/240VAC, 10kA, plug in, AC shunt

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No need of specific recycling operations

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QO340 - Square D - 40 Amp Circuit Breaker

Plug-in - 40 amp - 3 pole - 240 volt.

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Same Day Shipping

We strive to ship out your items within one business day.

In rare circumstances, Simply Breakers may reserve up to 5 business days to complete shipment. Feel free to contact us if your order is time sensitive.

Simply Breakers provides a comprehensive 1-year warranty on both new and reconditioned products. Rest assured, all products are authentic OEM (original equipment manufacturer).

QO340 - Square D QO 3 Pole 40 Amp Breaker

QO Circuit Breakers provide the high level of protection you expect from Square D. When it comes to electrical protection, fast response is critical and QO Circuit Breakers can trip faster than the blink of an eye.

Specifications :

• Manufacturer : Schneider Electric
• Type QO Series
• For use with QO load centers, CSED's and NQOD panel boards
• Cat. No. : QO340
• Dimensions (H x W x L): 3" x 1.50" x 3"
• 120/240 Volt
• Connection : Plug-In
• Interrupting Rating 10000 Ampere
• Authentic Square D Product
• CSA Approved and UL Listed

Alt Model: q0340

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Customer Reviews

Product was great. Just too.a while to receive it.

very good service very quick!!

Great service, fast shipping, good products.

Easy to install

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• Circuit Breakers
• Molded Case

• Items ordered after 2pm CST may not ship out until the next day
• Refurbished items may have 1-3 days of processing. We thouroughly test every item before shipment to make sure they meet manufacturer specifications
• Shipments are made daily Monday through Friday
• If you need more specific information on shipping or need an expedited emergency order, call and talk to one of our sales professionals and order by phone
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Product Description

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All our reconditioned circuit breakers and repairs conform to NETA, UL 1066, UL 489, and ANSI C37 specifications. In addition, all tolerances are checked to meet or exceed the original manufacturer’s specifications. We offer the following services for this Square D QO340-NEW depending on your specific requirements:

Repairs and Retrofitting

Full Service and Repair Shop, PEARL Certified Technicians, Fast Turnaround, FREE Estimates!

Replacement Parts

Shunt trips, Aux Contacts, UVRs for all brands and models. Power breaker replacement mechs, contacts, primary disconnects, arc chutes, trip units and current sensors.

Rebuild & Reconditioning

Our Class 1 Rebuild process includes replating operating mech and current carrying parts. Powder coating frames and upgrading trip units to the latest models available. The end result is a breaker that looks and performs the same as a factory new unit.

Testing & Calibration

Primary injection testing, contact resistance, and insulation resistance testing. Circuit breakers are tested and certified to their original factory specifications which exceed NETA field testing requirements.

24HR. Emergency Service

We ship large items over night every day and we can do it at a surprisingly low cost! When you absolutely have to get the power back up call us, day or night.

Quality Switchgear warranties this reconditioned Square D QO340-NEW for one year, including all labor, freight and materials required to return it to operational standards. Quality Switchgear guarantees this product will operate to your satisfaction under normal load and usage conditions. Any repairs performed without the express written permission of Quality Switchgear Inc. shall invalidate this warranty. Quality Switchgear shall not be liable to the customer, or to any other person, for consequential damages, lost profits or other kinds of damages arising out of the sale or use of this circuit breaker.

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QO340 - Square D Plug-In 240V 40A 3 pole circuit breaker 10kA@240V

We also have No Box, Recertified, and Surplus options available. Call (866) 377-3532 for a price!

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Product Info

• Manufacturer: Square D
• Sub-Category: Molded Case

Description

The Square D QO340 is a Molded Case Circuit Breaker. This type QO circuit breaker is a member of The QO Series family. The QO340 is a 3 pole, 240 Volt, 40 amp rated circuit breaker, with an AIC rating of 10kA@240V. The QO340 is manufactured by Square D. The QO340 uses a Plug-In connection. Includes Thermal Magnetic protection. Every part Essential Electric sells is also backed by our industry-leading gold standard 2-year warranty.

Specifications

• Part Number: QO340
• Manufacturer : Square D
• Item Subcategory : Molded Case
• Family : QO Series
• Voltage : 240
• Amperage : 40
• AIC rating : 10kA@240V
• Connection : Plug-In
• Functions : LI - Long-Time and Instantaneous
• Terminal Connection : Lug
• Frame Size : 100A/QO
• MCM Size : Min. Wire Size 8 AWG Max. Wire Size 2 AWG
• Breaker Type : Standard
• Temp Rating : Minimum Operating Temp 104 Degrees F Max. Operating Temp.104 Degrees F

Product Data

• UPC : 785901400769
• GTIN : 00785901400769
• Country of Origin : Mexico
• Dimensions : Depth 3.09 in (78.49 mm) x Width 4.44 in (112.78 mm)
• Weight : 0.83
• Panel Type : QO Load Centers and NQ Panelboards
• Standards : CSA Certified, HACR, UL Listed
• Certification : UL Listed; CSA

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What is a Shunt Trip Breaker and How Does It Work?

Written by  Edwin Jones  / Fact checked by  Andrew Wright

What is a shunt trip breaker? Does it add protection to your electrical system?

The shunt trip breaker is a combination of the shunt trip accessory and the main circuit breaker. This installs on the main breaker to add protection to your electrical system. This adds security to your electrical system as it manually or automatically cuts the electric supply in your circuit.

This accessory can help prevent short circuits and avoid electrical damage should a disaster occur in your home.

Let me tell you more about the shunt trip breaker to help you decide if you need additional protection for your electrical system.

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Product Key Features

• Voltage 120/240 Vac, 48 VDC
• Features Shunt Trip
• Current Rating 31-40 A
• Type Miniature Circuit Breaker
• Break Time Instantaneous
• Number of Poles 3

Additional Product Features

• Inturrupt Rating 10 KA

Square D Industrial Circuit Breakers 3 Poles

Square d instantaneous circuit breakers 3 poles, square d circuit breakers 31-40 a current rating 3 poles, square d industrial circuit breakers 2 poles, square d industrial circuit breakers, square d circuit breakers 101-150 a current rating 3 poles.