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Siemens

Siemens B120 Type BL 1-Pole 20A 120/240V Miniature Circuit Breaker 10kA

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SKU:
53155
MPN:
B120
Condition:
Used
Availability:
Usually ships within 1-2 business days.
Weight:
1.00 LBS
Shipping:
Calculated at Checkout
  • Siemens B120 Type BL 1-pole 20A miniature circuit breaker — left-side angle view showing toggle handle and label
  • Siemens B120 Type BL circuit breaker — front face view showing 20A rating handle and Type BL label
  • Siemens B120 label close-up showing model number, barcode 783643263420, Alpharetta GA, Assembled in Mexico
  • Siemens B120 circuit breaker — top angle view showing stab-on bus tab and toggle handle at 20A position
  • Siemens B120 label detail showing 1 Pole Type BL, 10,000A interrupting rating, 120/240V AC, HACR, SWD, UL listed YF-7195
  • Siemens B120 circuit breaker — rear view showing Siemens label, load terminal screw, and mounting clip
  • Siemens B120 — opposite side view showing mounting clip, load terminal, and housing screws
  • Siemens B120 Type BL circuit breaker — narrow edge view showing stab-on bus tab and compact 1-pole housing
$12.00
Was: $25.00
Current Stock: 42

Sold Out

Description

Siemens B120 Type BL 1-Pole 20A 120/240V Miniature Circuit Breaker 10kA

Miniature circuit breaker designed for overcurrent protection in single-pole branch circuits. Provides thermal-magnetic trip protection at 20A for 120/240V AC systems.

Specifications & What's Included

  • Model: B120 Type BL, single-pole configuration
  • Amperage: 20A at 120/240V AC
  • Interrupting Rating: 10,000A RMS Symmetrical
  • Trip Mechanism: Thermal-Magnetic
  • HACR and SWD rated; UL Listed (File YF-7195)
  • Breaker only — no accessories included

Applications

Type BL miniature circuit breakers are used in branch circuits of residential and light commercial electrical panels for general-purpose branch protection. These breakers are common in North American electrical systems and are installed in listed enclosures alongside other breakers in panelboards and distribution equipment. The 20A rating handles circuits for standard outlets, lighting loads, and small appliances where overcurrent protection is required.

Condition: Used
This Siemens B120 Type BL 1-Pole 20A Miniature Circuit Breaker has been inspected and appears to be in good used condition. It was pulled from a working environment where it was in use. The housing is intact with normal surface wear consistent with field use; the toggle handle moves freely and the bus tab and terminal connections show no signs of damage or burning. Please view our photo set and contact us if you have any questions. Please note: We have multiple units in stock — yours may not be the one shown in the photos, however, it will be similar in condition and function.
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Warranty Information

We stand behind every item we sell with a 30-day money-back guarantee. If your item arrives not as described, you may return it within 30 days for a full refund. Please inspect your purchase upon arrival and contact us with any questions.
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Additional Information

Brand:
Siemens
Model:
B120
MPN:
B120
Type:
Miniature Circuit Breaker
GTIN:
783643263420
SKU:
53155
Series:
Type BL
Number of Poles:
1
Amperage:
20A
Voltage Rating:
120/240V AC
Interrupting Rating:
10,000A (10kA) RMS Sym.
Trip Mechanism:
Thermal-Magnetic
HACR Rated:
Yes
SWD Rated:
Yes
UL Listed:
Yes — File YF-7195
Temperature Rating:
40°C
Enclosure Requirement:
Use only in listed enclosures
Country/Region of Manufacture:
Mexico
Manufacturer:
Siemens Energy & Automation, Inc.
Condition:
Used – Pulled from Working Environment
Seller Notes:
Breaker only — no accessories included.
Condition Notes:
Siemens B120 Type BL 20A 1-pole circuit breaker. Inspected, pulled from a working environment. Housing intact, toggle and terminals in good shape, normal surface wear. Please view photos and contact us with questions.
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Country/Region of Manufacture:
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Assembled By:
Siemens Energy & Automation, Inc., Alpharetta, GA
Condition:
Used – Pulled from Working Environment
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Sold as-is unit; no accessories included.
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