Description
The Siemens LMXD63B700 is a Sentron™ series molded case circuit breaker designed for high-capacity power distribution and protection in industrial and commercial electrical systems. Rated at 700 A and 600 VAC, this 3-pole thermal magnetic breaker provides dependable overcurrent and short-circuit protection. Its bolt-on design ensures secure installation in demanding applications.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Circuit Protection |
| Part Number |
LMXD63B700 |
| Subcategory |
Molded Case Circuit Breakers |
| Series |
Sentron™ |
| Frame Type |
LMXD / LMD |
| Current Rating |
700 A |
| Voltage Rating |
600 V AC |
| Frequency Rating |
50/60 Hz |
| Number of Poles |
3 |
| Phase |
3-phase |
| Trip Type |
Thermal Magnetic |
| Trip Functions |
Long-time and instantaneous |
| Interrupt Rating |
25 kAIC @ 600 V, 50 kAIC @ 480 V |
| Trip Range |
3200–8000 A |
| Connection Type |
Bolt-on |
| Terminal Type |
Load-side lug |
| Standards |
UL, IEC, HACR |
| Temperature Rating |
40 °C |
| Dimensions (L × W × H) |
Approx. 6.9 × 10.1 × 18.6 in |
| Weight |
Approx. 20 kg |
Information About LMXD63B700
The LMXD63B700 is part of the Siemens Sentron™ family of molded case circuit breakers, known for long-term reliability in critical power systems. Built on the LMXD frame, it is engineered to protect feeders and large loads in three-phase electrical networks. The breaker uses a thermal magnetic trip unit to provide both long-time overload protection and instantaneous short-circuit interruption. Designed to meet UL, IEC, and HACR standards, it is suitable for a wide range of industrial and commercial installations.
Key Features:
- High Current Rating: Supports up to 700 A for large feeders and high-load circuits.
- 600 VAC Operation: Designed for medium-voltage industrial power distribution systems.
- 3-Pole Configuration: Suitable for three-phase electrical applications.
- Thermal Magnetic Trip Unit: Combines long-time overload and instantaneous short-circuit protection.
- High Interrupting Capacity: Rated 25 kAIC at 600 V and 50 kAIC at 480 V.
- Bolt-On Mounting: Ensures a secure mechanical and electrical connection.
- Sentron™ Series Design: Proven Siemens platform for commercial and industrial reliability.
- UL and IEC Compliance: Meets recognized international electrical safety standards.
- Load-Side Lug Terminals: Designed for robust and reliable conductor termination.
- 40 °C Rated Operation: Suitable for standard electrical enclosure environments.
The LMXD63B700 delivers the reliability and precision required for high-current circuit protection in industrial power distribution and critical electrical infrastructure.
