Siemens 125 Amp 2-Pole Type QPP 10kA Bolt-on Circuit Breaker

120/240V

$156.82

Siemens 125 Amp 2-Pole Type QPP 10kA Bolt-on Circuit Breaker

SKU:

$156.82

Bulk Savings

automatically applied on carts over $500 - Learn more

Commercial order support

Volume discounts automatically apply at checkout when the combined total value of all products in your cart exceeds $500.

Please provide the SKU and quantity for each item you’d like included in the quote.

Automatic volume discounts

Volume discount savings by cart subtotal
SPEND	SAVE
$500 - $999	5%
$1,000 - $1,999	11%
$2,000 - $2,999	12%
$3,000 - $3,999	13%
$4,000 - $4,999	14%
$5,000 - $5,999	15%
$6,000 - $6,999	16%
$7,000 - $7,999	17%
$8,000 - $8,999	18%
$9,000 - $9,999	19%
$10,000 - $19,999	20%
$20,000 - $49,999	25%
Over $50,000	30%

*Discounts apply to all products; rates may vary by product.

Live Chat

Free Shipping on orders $100+
Ships within 1 business day

Overview

The Siemens Q2125B is a 125-amp, 4-pole Type QPP bolt-on circuit breaker rated for 120/240VAC service in Siemens load center panels that accept Type QPP Main Breakers. Thermal-magnetic trip technology delivers Long-Time and Instantaneous (LI) fixed-trip protection with a 10 kA interrupting rating, while a broad wire range — #1 AWG Cu or #2/0 AWG Al (full range 8 AWG–2/0 AWG Cu/Al) — accommodates diverse conductor sizes. Listed to UL 489, CSA C22.2 No. 5, and HACR standards with dual UL/CSA approval marks and a 40°C temperature rating.

Features

- Amperage: 125 Amp
- Number of Poles: 4
- Voltage: 120/240VAC
- Interrupting Rating: 10 kA
- Wire Size: #1 AWG Cu or #2/0 AWG Al Wire
- Wire Gauge: 8 AWG - 2/0 AWG (Cu/Al)
- Model Number: Q2125B
- For use in Siemens panels that accept Type QPP Main Breakers
- Feature: 10 kA Interrupting Rating
- Accepts #1 AWG Cu or #2/0 AWG Al Wire

Overview

The Siemens Q2125B is a 125-amp, 4-pole Type QPP bolt-on circuit breaker rated for 120/240VAC service in Siemens load center panels that accept Type QPP Main Breakers. Thermal-magnetic trip technology delivers Long-Time and Instantaneous (LI) fixed-trip protection with a 10 kA interrupting rating, while a broad wire range — #1 AWG Cu or #2/0 AWG Al (full range 8 AWG–2/0 AWG Cu/Al) — accommodates diverse conductor sizes. Listed to UL 489, CSA C22.2 No. 5, and HACR standards with dual UL/CSA approval marks and a 40°C temperature rating.

Features

- Amperage: 125 Amp
- Number of Poles: 4
- Voltage: 120/240VAC
- Interrupting Rating: 10 kA
- Wire Size: #1 AWG Cu or #2/0 AWG Al Wire
- Wire Gauge: 8 AWG - 2/0 AWG (Cu/Al)
- Model Number: Q2125B
- For use in Siemens panels that accept Type QPP Main Breakers
- Feature: 10 kA Interrupting Rating
- Accepts #1 AWG Cu or #2/0 AWG Al Wire