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Square D Insulated Case and Molded Case Circuit Breakers

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851 - 870 of 870 listings

4000 Amps, Square D, SEF364000LSI, manually operated, fixed, LSI, new surplus

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: SEF364000LSI

4000 Amps, Square D, SEF364000LSG, manually operated, AC-Pro II

Sierra Circuit Breakers | Auburn, CA
Seller: Sierra Circuit Breakers
Location: Auburn, CA
Mfr: Square D
Model: SEF364000LSG
SEF364000LSG retrofitted withy an AC-Pro II.

5000 Amps, Square D Masterpact, NW50H, main breaker w/utility metering section, very clean

Diversified Electro-Technical | Stouffville, ON
Seller: Diversified Electro-Technical
Location: Stouffville, ON
Mfr: Square D
Model: NW50H
The distribution part has (2) 4,000 amp Square D circuit breakers.

5000 Amps, Square D, NW50H, manually operated, drawout, LSIG

BCS Switchgear Inc | Krugerville, TX
Seller: BCS Switchgear Inc
Location: Krugerville, TX
Mfr: Square D
Model: NW50H

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Insulated Case and Molded Case Circuit Breakers (also known as MCCBs or compact circuit breakers) are protective devices designed to interrupt electrical flow during overcurrent or short circuit conditions. Insulated case breakers are typically larger and used in industrial settings, while molded case breakers are compact and widely used in residential, commercial, and industrial applications. Both types offer reliable circuit protection, ease of installation, and durability for various electrical systems.

5000 Amps, Square D, NW50H2, Qty 2

Technitrol Inc | Germantown, WI
Seller: Technitrol Inc
Location: Germantown, WI
Mfr: Square D
Model: NW50H2
Square D, NW50H2, EO/MO, DO/BI, 120 AC control, 24 DC trip, Micrologic trip unit, qty 2 in stock.

8000 Amps, Square D, NCP36800, 3 Phase, 100kA@480V AIC, 600 Volts

Quality Switchgear Inc | Valley View, TX
Seller: Quality Switchgear Inc
Location: Valley View, TX
Mfr: Square D
Model: NCP36800
Square D NCP36800 Molded Case Circuit Breaker. Family NCP Series; Type NCP; 600 Voltage; 3 Pole; 3 Phase; 8000 Amp; 100kA@480V AIC; Bolt-On Mounting.

Square D, Breaker, 5- nib MJA36800, @ $2,800.00 + UPS

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Magnolia, TX
Mfr: Square D
Model: 5 NIB MJA36800
5- nib MJA36800 @ $2,800.00 + UPS, Sq D breakers.

Square D, DJD36400E59HJ00 & DJD36600E59HJ00, used but it in new condition (25-25 each)

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Kansas City, MO
Mfr: Square D
Model: DJD36400E59HJ00
For sale Used but in new condition 20 to 25 each of a DJD36400E59HJ00 and, DJD36600E59HJ00.

Square D, I-Line, HDA26020-3, 2-pole breaker

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: HDA260203

Square D, JDP36225, breakers, 28 - NIB, make best offer

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Magnolia, TX
Mfr: Square D
Model: BREAKERS
28- NIB JDP36225 SqD breakers, make best offer.

250 Amp., Square D, LX36250G, I-Line Circuit Breaker, 3P, 600 Volts, ARP070 Rating Plug

OK Sales Inc | Burlington, NC
Seller: OK Sales Inc
Location: Burlington, NC
Mfr: Square D
Model: LX36250G

Square D, I-Line, LX36300G-SURPL, LX frame with LSIG trip, new take out

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: LX36300GSURPL

Square D, MHL361000-2344, MHL361000-2344 12-718022-39, w/MA11028 & MA11286

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: MHL3610002344 1271802239

Square D, 2-PAF362000DC8111

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Magnolia, TX
Mfr: Square D
2 - Square D PAF362000DC8111.

Square D, RGF36160U31A, 1 LI RGF frame breaker

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Square D
Model: 1 LI RGF FRAME BREAKER

Square D, SEF3640

III Phase Inc. | Pinson, AL
Seller: III Phase Inc.
Location: Pinson, AL
Mfr: Square D

3000 Amps, Square D, NW30H, 600V Micrologic 6.0P LSIG MO/FM

Electric Barn Inc., The | North Hampton, NH
Seller: Electric Barn Inc., The
Location: North Hampton, NH
Mfr: Square D
Model: NW30H
SQUARE D NW30H INSULATED CASE CIRCUIT BREAKER, 3000 AMP, 600 VOLT, 3 POLE, MICROLOGIC 6.0P TRIP, LSIG TRIP FUNCTIONS, WL3HHB44A9SXXXXXCX, MANUAL OPERATED, FIXED MOUNT, 100/100/85 KAIC, STOCK # IC44.

Square D, DJD36400E59HJ00 and DJD36600E59HJ00

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Kansas City, MO
Mfr: Square D
I have DJD36150E59HJ00, DJD36250E59HJ00, DJD36400E59HJ00 and, DJD36600E59HJ00 for sale, Quantity/Amp Breakers, 20- 600 amps, 64 - 400 amp, 6- 150 amp, 14- 250 amp.

I need 300 Square D I-Line 2 pole 200Amp 240V-600V New or nice used. Please quote me what you have.

Lonestar Electrical & Demolition | Magnolia, TX
Seller: Lonestar Electrical & Demolition
Location: Magnolia, TX
Mfr: Square D
I need 300 Square D I-Line 2 pole 200Amp 240V-600V New or nice used. Please quote me what you have.