Siemens LD62B600 Molded Case Circuit Breaker
- 600A
- 2 Pole
- Unit Mount
Quantity
Siemens LD62B600 - 600A 2 Pole Molded Case Circuit Breaker
Re-Certified
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Description
The LD62B600 is a 600A, two-pole molded case circuit breaker from Siemens' Sentron series. It is built for demanding commercial and industrial power distribution. This unit-mount MCCB installs into Siemens Sentron panelboards (Type S1, S2, SE) and switchboards. It also serves as a direct replacement for legacy ITE LD2600 breakers. Featuring a thermal-magnetic trip unit, it provides fixed thermal and adjustable magnetic protection. It is HACR rated and delivers 35kAIC at 480VAC.Specifications
| Brand | Siemens |
|---|---|
| Series | LD6 |
| Amperage | 600A |
| 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 Sentron Panelboards (Type S1, S2, SE), Switchboards, Enclosures |
| Wire Gauge | (2) 3/0 AWG-500 kcmil (Cu/Al) |
| Max Wire | 500 kcmil |
| Min Wire | 3/0 AWG |
| 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 |
|---|---|
| Accessories | Line and Load Lugs (TA2J6500) |
| Standards | CSA C22.2 No. 5, IEC 60947-2, NEMA AB 1, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | Interchangeable Trip Unit, HACR Rated, Reverse Feed |
Product FAQs
6 answersWhat enclosures are compatible with the LD62B600 circuit breaker?
This LD frame breaker can be installed in Siemens Sentron enclosures, including the NEMA 1 rated LD6N1 for indoor use and the NEMA 3R rated LD6N3R for outdoor applications. It is also designed for use in Siemens Sentron panelboards (Type S1, S2, SE) and switchboards.
What is the recommended lug torque for the standard terminals on this breaker?
The standard TA2K500 lugs, which accept two 3/0 AWG to 500 kcmil copper or aluminum conductors per phase, require a tightening torque of 375 in-lbs.
Can the LD62B600 be reverse fed?
Yes. Siemens thermal magnetic molded case circuit breakers without interchangeable trip units are suitable for reverse feed applications in accordance with UL 489 standards.
What does the LI trip function indicate on this breaker?
The LI designation means the breaker features a thermal magnetic trip unit with Long-Time (L) and Instantaneous (I) protection. The thermal element provides fixed overload protection, while the magnetic element offers adjustable short-circuit protection.
What is the difference between the LD62B600 and the HLD62B600?
The LD62B600 is the standard interrupting capacity version. The HLD62B600 is the high interrupting capacity version for applications requiring a higher fault current rating. Both share the same physical dimensions and LD frame footprint.
Is the LD62B600 suitable for direct current systems?
Yes, this breaker is rated for use on direct current systems up to 250VDC, where it provides an interrupting capacity of 30kA. When applying a two pole breaker on 250VDC systems, one pole is typically connected to each leg of the supply circuit.
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