The Siemens EH3B070 is a high-performance molded case circuit breaker designed for dependable protection of commercial and industrial electrical distribution systems. Equipped with a thermal magnetic non-interchangeable trip unit, this breaker provides accurate overload and short-circuit protection to maintain system safety and operational efficiency. Its rugged EH frame construction and bolt-on mounting configuration ensure secure installation, durability, and long-term reliability in demanding applications. Designed for operation in 240VAC and 480VAC systems at 50/60Hz, the EH3B070 delivers strong interrupting capability and reliable electrical protection for critical power distribution requirements.

Product Specifications

• Brand: Siemens / ITE
• Model: EH3B070
• Product Type: Molded Case Circuit Breaker (MCCB)
• Frame Type: EH
• Rated Current: 70 Ampere
• Number of Poles: 3 Pole
• Trip Unit Type: Thermal Magnetic Non-Interchangeable
• Mounting Type: Bolt On
• Frequency: 50/60Hz
• Terminal Type: Line and Load End Terminals Standard
• Lug Type: Load End Only
• Application: Commercial and Industrial Power Distribution

Technical Specifications

• Interrupting Capacity: 65kA @ 240VAC
• Interrupting Capacity: 18kA @ 480VAC
• Maximum Voltage Rating: 480VAC
• Operating Temperature Reference: 40°C
• Protection Type: Overload and Short Circuit Protection
• Connection Type: Bolt-On Connection
• Frame Construction: Molded Case Design
• Standard Compliance: Industrial Circuit Protection Standards

Voltage and Ratings

• Rated Operational Voltage: 240VAC / 480VAC
• Frequency Rating: 50/60Hz
• Current Rating: 70A
• Pole Configuration: 3 Pole
• Interrupting Rating at 240VAC: 65 Kiloampere
• Interrupting Rating at 480VAC: 18 Kiloampere
• Maximum Voltage Capacity: 480VAC

Product Data

• Manufacturer: Siemens / ITE
• Product Series: EH Frame Style
• Product Condition Support: New Surplus & Certified Reconditioned
• Warranty: 1 Year In-House Warranty
• Installation Type: Bolt-On Mounting
• Terminal Configuration: Standard Line and Load End Terminals
• Product Use: Electrical Distribution and Protection Systems

Important Note

Product images are intended for identification purposes only and may represent a standard base model configuration. Accessories ordered together with the breaker can be professionally installed at no additional cost when configuration details are provided during checkout. Installation, maintenance, and servicing should only be performed by qualified electrical personnel in accordance with applicable electrical regulations and manufacturer guidelines. The included one-year warranty covers repairs, labor, replacement parts, and standard shipping associated with recertification, excluding damage caused by misuse, improper installation, or normal operational wear and tear.