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Siemens LXD62B450 Molded Case Circuit Breaker
- 450A
- 2 Pole
- Unit Mount
Siemens
LXD62B450
Molded Case Circuit Breaker
Brand
Siemens
SKU
LXD62B450
Quantity
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Siemens LXD62B450 - 450A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial environments, the Siemens LXD62B450 is a 450A molded case circuit breaker from the Sentron family. This LD Frame unit provides robust protection for electrical distribution systems. Designed for unit mount configurations, it installs into Siemens P4 and P5 panelboards. It requires the TA2J6500 lug kit for proper wire termination. Rated for 35 kAIC at 480VAC, the breaker features a thermal-magnetic trip unit with adjustable magnetic functions.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LXD62B450 |
| Series | LXD6 |
| Amperage | 450A |
| Poles | 2 |
| Mounting Style | Unit Mount |
| Voltage | 240VAC, 480VAC, 600VAC, 250VDC |
| Phase | 1 |
| AIC Rating | 65kA @ 240VAC, 35kA @ 480VAC, 25kA @ 600VAC, 30kA @ 250VDC |
| Frame Type | LD |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P4, P5 Panelboards, Switchboards |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Adjustable Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Undervoltage Release, Alarm Switch, Lug Kits |
|---|---|
| Accessories | Lugs Not Included (Requires TA2J6500) |
| Standards | CSA C22.2 No. 5, UL 489, IEC 60947-2, NEMA AB-1 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | 2-Pole in 3-Pole Housing, Non-Interchangeable Trip, HACR Rated |
Product FAQs
8 answersWhich Siemens panelboards accept the LXD62B450 circuit breaker?
The LXD62B450 is a unit-mount breaker designed for installation in Siemens P4 and P5 panelboards, as well as compatible Siemens switchboards.
What is the physical width of this 2-pole breaker?
The LXD62B450 is built as a 2-pole breaker housed in a 3-pole width frame. It requires the mounting space of a standard 3-pole LD frame breaker in your panelboard or switchboard.
How is the trip unit adjusted on the LXD62B450?
This breaker features a thermal-magnetic trip unit with a fixed thermal element for overload protection and an adjustable magnetic element for short-circuit protection. The magnetic trip settings can be adjusted using the dials on the front of the breaker.
Can the LXD62B450 be installed in direct current (DC) systems?
Yes, this Sentron series breaker is rated for use in DC electrical systems up to 250VDC, providing an interrupting capacity of 30kAIC.
What does the B in the LXD62B450 catalog number signify?
In the Siemens Sentron catalog numbering system, the B indicates that the breaker is calibrated for standard 40 degrees Celsius operating environments.
What type of wire terminations does this breaker use?
The LXD62B450 uses a bolt-on connection and requires Siemens LD-frame compatible lug kits for wire termination. These lugs are available in various wire ranges for both copper and aluminum conductors.
What frame size is the LXD62B450?
It belongs to the Siemens Sentron LD Frame family. This frame size features a compact footprint designed for high-capacity power distribution in commercial and industrial environments.
Is the LXD62B450 suitable for heating, air conditioning, and refrigeration equipment?
Yes, this breaker is HACR rated, making it suitable for protecting heating, air conditioning, and refrigeration circuits.
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