Overview
The Siemens HHED63B020 is a rugged molded case circuit breaker from the Sentron series, designed for commercial and industrial electrical systems. Rated at 20A, 600VAC, 3-pole with thermal-magnetic trip protection, this ED frame breaker provides reliable overload and short-circuit protection in demanding environments. As a bolt-on unit, it installs directly into Siemens P1, P2, and P3 panelboards and switchboards.
Key Features
- Thermal-magnetic trip mechanism for dependable protection
- ED frame design rated 65 kA at 480V, 25 kA at 600V interrupting capacity
- Bolt-on mounting for quick installation in compatible Siemens panelboards
- Lug load terminals with wire range 10 to 1/0 AWG (copper/aluminum)
- Non-interchangeable trip unit for secure operation
Technical Specifications
The HHED63B020 meets stringent electrical standards and is built for legacy system support and upgrades.
- Rated Voltage: 600 VAC
- Trip Current: 20 A
- Poles: 3 Pole (3 Phase)
- Interrupting Rating: 100 kA @ 240V, 65 kA @ 480V, 25 kA @ 600V
- Trip Type: Thermal Magnetic
- Temperature Rating: 40°C
- Lug Terminals: Load side lugs (SA1E025)
- Wire Size Range: 10 to 1/0 AWG (copper/aluminum)
- UL and CSA Certified: UL 489, CSA 22.2
Typical Applications
This circuit breaker is ideal for legacy industrial control panels, commercial power distribution systems, and motor control applications requiring 600V rated protection. It is commonly used in facilities upgrading or maintaining existing Sentron series installations where drop-in replacement is required.
Compatibility & Replacements
The HHED63B020 is compatible with Siemens P1, P2, and P3 panelboards and switchboards. For modern upgrades, Siemens offers the 3VA5120-6ED31-0AA0 as a replacement; however, mounting kit integration may be required. This used unit is ideal for spare parts inventory, emergency repairs, or facilities with committed Sentron standardization.
