



HEM3M070 | Siemens 3-Pole Motor Circuit Breaker 70A
- Regular price
- $3,550.00
- Sale price
- $3,550.00
- Regular price
-
$288.00
Couldn't load pickup availability
Do you need help?

Product Description P/N: HEM3M070
Description
The Siemens HEM3M070 is a 3-pole motor circuit breaker rated for 70 A at 480 V AC, designed with magnetic-only protection. Built on a 125 A frame, it provides reliable short-circuit protection for motor circuits in industrial applications.
Technical Specifications
Condition | New/Never Used Surplus |
Brand | Siemens |
Category | Circuit Protection |
Part Number | HEM3M070 |
Subcategory | Motor Circuit Breakers |
Type | Motor Circuit Protector |
Current Rating | 70 A |
Frame Size | 125 A |
Voltage Rating | 480 V AC |
Poles | 3 |
Phase | 3-phase |
Trip Unit | Magnetic only |
Protection | Instantaneous short-circuit protection |
Connection | Bolt-on |
Functions | I – Instantaneous |
Standards | UL, CSA, NOM, IEC |
Application | Motor circuit protection |
Interrupting Capacity | High interrupt |
Lugs | No lugs included |
Mounting | Panel/Bolt-on installation |
Weight | 2.70 lbs |
Information About HEM3M070
The HEM3M070 is part of Siemens’ motor circuit protection line, designed to safeguard motors against short-circuit events with magnetic-only trip functionality. This device is rated at 70 A and supports up to 480 V AC, making it suitable for a wide range of industrial motor applications. Built on a 125 A frame size, it delivers robust performance while ensuring compact installation. Certified under UL, CSA, NOM, and IEC standards, the HEM3M070 ensures compliance with global electrical safety requirements. Its bolt-on connection design allows straightforward integration into motor control panels and distribution systems.
Key Features:
-
70 A Current Rating: Provides dependable protection for motors operating at 480 V AC.
-
Magnetic-Only Trip Unit: Delivers instantaneous short-circuit protection without thermal overload.
-
3-Pole, 3-Phase Design: Ensures compatibility with standard industrial motor circuits.
-
High Interrupt Capacity: Built to handle fault conditions effectively in demanding environments.
-
125 A Frame Size: Compact design that maintains strength and reliability in protection applications.
-
Bolt-On Connection: Simplifies installation in control panels and switchgear assemblies.
-
Standards Compliance: Meets UL, CSA, NOM, and IEC requirements for safe and certified operation.
-
No Lugs Supplied: Allows flexible termination methods based on installation needs.
The HEM3M070 delivers the reliability and precision required for protecting industrial motor circuits from short-circuit damage.
Description
The Siemens HEM3M070 is a 3-pole motor circuit breaker rated for 70 A at 480 V AC, designed with magnetic-only protection. Built on a 125 A frame, it provides reliable short-circuit protection for motor circuits in industrial applications.
Technical Specifications
Condition | New/Never Used Surplus |
Brand | Siemens |
Category | Circuit Protection |
Part Number | HEM3M070 |
Subcategory | Motor Circuit Breakers |
Type | Motor Circuit Protector |
Current Rating | 70 A |
Frame Size | 125 A |
Voltage Rating | 480 V AC |
Poles | 3 |
Phase | 3-phase |
Trip Unit | Magnetic only |
Protection | Instantaneous short-circuit protection |
Connection | Bolt-on |
Functions | I – Instantaneous |
Standards | UL, CSA, NOM, IEC |
Application | Motor circuit protection |
Interrupting Capacity | High interrupt |
Lugs | No lugs included |
Mounting | Panel/Bolt-on installation |
Weight | 2.70 lbs |
Information About HEM3M070
The HEM3M070 is part of Siemens’ motor circuit protection line, designed to safeguard motors against short-circuit events with magnetic-only trip functionality. This device is rated at 70 A and supports up to 480 V AC, making it suitable for a wide range of industrial motor applications. Built on a 125 A frame size, it delivers robust performance while ensuring compact installation. Certified under UL, CSA, NOM, and IEC standards, the HEM3M070 ensures compliance with global electrical safety requirements. Its bolt-on connection design allows straightforward integration into motor control panels and distribution systems.
Key Features:
-
70 A Current Rating: Provides dependable protection for motors operating at 480 V AC.
-
Magnetic-Only Trip Unit: Delivers instantaneous short-circuit protection without thermal overload.
-
3-Pole, 3-Phase Design: Ensures compatibility with standard industrial motor circuits.
-
High Interrupt Capacity: Built to handle fault conditions effectively in demanding environments.
-
125 A Frame Size: Compact design that maintains strength and reliability in protection applications.
-
Bolt-On Connection: Simplifies installation in control panels and switchgear assemblies.
-
Standards Compliance: Meets UL, CSA, NOM, and IEC requirements for safe and certified operation.
-
No Lugs Supplied: Allows flexible termination methods based on installation needs.
The HEM3M070 delivers the reliability and precision required for protecting industrial motor circuits from short-circuit damage.

