go to top
The World's Leading Online Marketplace for Used, New, and Surplus Industrial Machinery & Equipment ℠

Siemens Insulated Case and Molded Case Circuit Breakers

warning
501 - 513 of 513 listings

Siemens 5SX2113-7 5SX Miniature Circuit Breaker, 13A, Single Pole, Std C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: SINGLE POLE
Siemens 5SX2113-7 5SX Series Miniature Circuit Breaker, 13A, Single Pole, Standard C Curve - UL1077 Maximum AC Ratings: One-Pole 277V AC. IEC Maximum DC Ratings: 55V DC Per Pole. Siemens. Siemens. 5SX2113-7.

Siemens 5SX2116-7 5SX2 5SX Miniature Circuit Breaker, 1 Pole, 16 Amp Rating, C, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 16 AMP RATING
Miniature circuit-breaker T55 230/400 V, 6kA, 1-pole, C, 16A. Siemens. Siemens. 5SX2116-7.

Siemens 5SX2120-6 5SX Series Miniature Circuit Breaker, 20A, Single Pole, B Curv, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: SINGLE POLE
Series: 5SX Mini Circuit Breaker. Amps: 20. Number of Poles: 1. Curve Type: Residential B Curve. Made in Germany. Siemens 5SX2120-6 5SX Series Miniature Circuit Breaker, 20A, Single Pole, Residential Curve - UL1077 Maximum AC Ratings: One-Pole 277V AC. IEC Maximum DC Ratings: 55V DC Per Pole. Siemens. Siemens. ...more

Siemens 5SX2306-7 5SX2 5SX Miniature Circuit Breaker, 3 Pole, 6 Amp Rat, C Curve, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 6 AMP RAT
Miniature circuit-breaker T55 400 V, 6kA, 3-pole, C, 6A. Siemens. Siemens. 5SX2306-7.

Siemens 5SY41025 Miniature Circuit Breaker, 230/400 V 10kA, 1-Pole, 2A, 70 mm, A, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 1POLE
Miniature circuit breaker 230/400 V 10kA, 1-pole, A, 2A, D=70 mm. Siemens. Siemens. 5SY41025.

Get email updates for newly added Insulated Case and Molded Case Circuit Breakers

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.

Siemens 5SY41065 Miniature Circuit Breaker, 230/400 V 10kA, 1-Pole, 6A, 70 mm, A, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 1POLE
Miniature circuit breaker 230/400 V 10kA, 1-pole, A, 6A, D=70 mm. Siemens. Siemens. 5SY41065.

Siemens 5SY41106 Supplementary Protector, 1-Pole Breaker, 10 A, DIN Rail Mounted, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 10 A
Siemens 5SY41106 Supplementary Protector, UL 1077 Rated, 1 Pole Breaker, 10 Ampere Maximum, Tripping Characteristic B, DIN Rail Mounted. Siemens. Siemens. 5SY41106.

Siemens 5SY41207 Miniature Circuit Breaker, 230/400 V 10kA, 1-Pole, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 1POLE
Siemens 5SY41207 Miniature Circuit Breaker, 230/400 V 10kA, 1-Pole, 20A, 70 mm, DIN Rail Mount, Type C. Siemens. Siemens. 5SY41207.

Siemens, 5SY4201-7, circuit breaker, new

iGAM | Detroit, MI
Seller: iGAM
Location: Detroit, MI
Mfr: Siemens
Model: 5SY4201-7
New SIEMENS 5SY4201-7 circuit breakers available! Ensure reliable power protection with these state-of-the-art units. In pristine condition and ready for use. Perfect for enhancing your electrical systems., Spec Sheet, SIEMENS 5SY4201-7, Dimensions. 4X4X3, Weight. 2LBS.

Siemens B340 Type BL Miniature Circuit Breaker, 40A, 3-Pole, 240VAC, NEW

B2E Surplus LLC | Tempe, AZ
Seller: B2E Surplus LLC
Location: Tempe, AZ
Mfr: Siemens
Model: 3POLE
BREAKER 40A 3P 240V 10K BLType BL Miniature Circuit Breaker, BL Series, 40A, 3 Pole, 240V AC, 10kA at 240V AC. Siemens. Siemens. B340.

Siemens Energy & Automation, Inc., MCCB, 3-Pole, 800A Frame, 600 VAC Max., 800A Trip Unit, Magnetic-Adj.

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Siemens
Model: MCCB
Siemens Energy & Automation, Inc., MCCB - Molded Case Circuit Breaker, >> Qty 1 In Stock <<, >> CALL for Price <<, 3-Pole, 800A Frame, 600 VAC Max., 800A Trip Unit, Magnetic-Adj. Range: 4000 - 8000 A, * Independent Lo/Hi Adjust Dia Per Pole, 50/60 Hz, Cat. No. MD63F800 Frame, Cat. No. ...more

Siemens, HFD6, MCCB, 3-Pole, 250A Frame, 600V Max., 150A Adjustable & Interchangable Magnetic Trip Unit

Transcanada Transformers & Switchgear | Pickering, ON
Seller: Transcanada Transformers & Switchgear
Location: Pickering, ON
Mfr: Siemens
Model: MCCB
Siemens, HFD63F250, MCCB - Molded Case Circuit Breaker, >> Qty 1 In Stock <<, >> CALL for Price <<, 3-Pole, 250A Frame, 600V Max., 150A Adjustable & Interchangable Magnetic Trip Unit, Cat. No. JA3225N, Style No. 371D957G22.

Siemens, HFD63B250-NTO, 250/3 GFD6 frame - new take out

Industrial Control & Supply | Santa Fe Springs, CA
Seller: Industrial Control & Supply
Location: Santa Fe Springs, CA
Mfr: Siemens
Model: 250/3 GFD6 FRAME NEW TAKE OUT