Description
The Siemens HEB3B070 is a molded case circuit breaker designed to provide reliable overcurrent protection in industrial and commercial power distribution systems. With a 70 amp rating and high interrupting capacity, it ensures safe operation under fault conditions. This breaker is engineered for three-phase applications requiring consistent circuit protection and control.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Part Number |
HEB3B070 |
| Category |
Circuit Breaker |
| Subcategory |
Molded Case Circuit Breaker |
| Product Type |
Molded Case Circuit Breaker |
| Series |
HEB |
| Frame Size |
125 A |
| Current Rating |
70 A |
| Voltage Rating |
Up to 600 V |
| Poles |
3 Pole |
| Phase |
3 Phase |
| Interrupting Rating |
65 kA @ 480 V |
| Trip Unit |
Thermal Magnetic |
| Functions |
LI (Long-Time, Instantaneous) |
| Mounting Type |
Bolt-On / Panelboard Mount |
| Certifications |
UL, CSA, NOM, IEC |
| Operating Temperature |
Up to 40°C |
| Weight |
7.95 lbs |
Information About HEB3B070
The HEB3B070 is a Siemens circuit breaker from the HEB series, built on a 125 amp frame for use in low-voltage electrical distribution systems. It features a thermal magnetic trip unit that provides both long-time and instantaneous protection against overloads and short circuits. Designed for bolt-on mounting, it integrates securely into panelboards used in industrial and commercial environments. With compliance to UL, CSA, NOM, and IEC standards, it offers dependable performance and compatibility across a wide range of electrical installations.
Key Features:
- 70 Amp Current Rating: Provides reliable protection for medium-load circuits
- 3-Pole Configuration: Suitable for three-phase power distribution systems
- 65 kA Interrupting Capacity: Handles high fault currents at 480V for enhanced safety
- Thermal Magnetic Trip Unit: Delivers precise overload and short-circuit protection
- 125A Frame Design: Ensures structural durability and consistent performance
- Bolt-On Mounting: Enables secure installation in panelboards and switchboards
- Certified Compliance: Meets UL, CSA, NOM, and IEC standards for safety and reliability
The HEB3B070 delivers the reliability and precision required for effective circuit protection in industrial and commercial power distribution systems.
