SQUARE D SR-643 1-POLE CIRCUIT BREAKER
Quick Overview
Manufactured By: SQUARE D
Manufacturer Part Number: SR-643
IMS Product Code: 2155194
Packaging: Sold Individually
Description:
Square D SR-643 1-Pole Circuit Breaker
1-Pole Circuit Breaker
Specifications
- Type: 1 Pole Circuit Breaker
- Voltage: 120/240 VAC
- Amperage: 20AMP
Used:
A previously used, fully functional product that may have some signs of cosmetic wear.
Availability: 2 In Stock
Ships on Monday, May 4, 2026
Emergency after hours shipping may be available.
Call (888) 437-6645 for more information.

