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Siemens LGB2B060B Molded Case Circuit Breaker
- 60A
- 2 Pole
- Bolt-On
Siemens
LGB2B060B
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGB2B060B
Quantity
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Siemens LGB2B060B - 60A 2 Pole Molded Case Circuit Breaker
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Description
Rated at 100 kAIC at 240V, the Siemens LGB2B060B is a 2-pole, 60A molded case circuit breaker designed for robust commercial applications. It features a fixed thermal-magnetic trip unit for dependable LI protection. The bolt-on configuration installs into Siemens P1, P2, and P3 panelboards. For system upgrades, this model is replaced by the 3VA4160-6ED24-0AA0, which requires a separate mounting kit. This HACR-rated breaker includes load-side lugs and a trip-free mechanism for enhanced safety.Specifications
| Brand | Siemens |
|---|---|
| Part Number | LGB2B060B |
| Series | LGB |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 65kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | LGB |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 8-1/0 AWG (Cu), 8-2/0 AWG (Al) |
| Max Wire | 1/0 AWG (Cu), 2/0 AWG (Al) |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Function | Long-Time, Instantaneous |
| Trip Adjustability | Fixed Thermal, Fixed Magnetic |
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Trip-Free Mechanism |
Product FAQs
4 answersWhat panelboards are compatible with the Siemens LGB2B060B?
This bolt-on MCCB is designed specifically for Siemens P1, P2, and P3 panelboards. It features a low tab mounting configuration to connect directly to the panel bus.
What wire sizes are accepted by the load side lugs?
The factory-installed load lugs accept 8 to 1/0 AWG copper conductors or 8 to 2/0 AWG aluminum conductors. Ensure proper torque specifications are applied during installation.
Can the LGB2B060B be used in DC circuits?
Yes, this breaker is rated for use in DC systems up to 125/250V DC, where it provides an interrupting rating of 14kA.
How does the LI trip unit operate on this frame?
The fixed thermal magnetic trip unit provides Long Time (L) and Instantaneous (I) protection. The thermal element responds to sustained overloads, while the magnetic element trips immediately during high-fault short circuits.
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