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Siemens LGB1B060B Molded Case Circuit Breaker
- 60A
- 1 Pole
- Bolt-On
Siemens
LGB1B060B
Molded Case Circuit Breaker
Brand
Siemens
SKU
LGB1B060B
Quantity
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Siemens LGB1B060B - 60A 1 Pole Molded Case Circuit Breaker
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Description
Providing robust overcurrent defense, this 60A thermal-magnetic MCCB is optimized for industrial applications. It handles demanding electrical loads with fixed trip settings. The breaker mounts into Siemens P1, P2, and P3 panelboards using a secure bolt-on connection. As a GB/GG frame unit, it fits existing setups but is succeeded by the 3VA41 line. Key specifications include a 65kAIC rating at 277VAC, 100kAIC at 120VAC, and a low tab design for specialized panelboard requirements.Specifications
| Brand | Siemens |
|---|---|
| Series | LGB |
| Amperage | 60A |
| Poles | 1 |
| Mounting Style | Bolt-On |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 65kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC |
| 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 |
| 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, Padlock Attachment, Handle Tie |
|---|---|
| Accessories | Load Side Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, IEC, NOM, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Trip-Free Mechanism, Non-Interchangeable Trip |
Product FAQs
6 answersCan I install the LGB1B060B in a standard Siemens residential load center?
No, this bolt-on breaker is designed specifically for Siemens P1, P2, and P3 commercial panelboards. It will not fit in standard plug-on residential load centers.
Is the LGB1B060B suitable for direct current (DC) applications?
Yes, this breaker is rated for up to 125VDC with a 14kA interrupting capacity, making it suitable for specific DC control or distribution circuits.
How does the LGB1B060B connect to the panelboard bus?
It uses a bolt-on connection, which secures directly to the panelboard bus with screws. This provides a rigid, vibration-resistant contact ideal for commercial and industrial environments.
Can the Siemens LGB1B060B be used in reverse feed applications?
Yes, Siemens LGB frame breakers are suitable for reverse feed applications, allowing them to be back-fed when required by the system design.
Are the trip settings on the LGB1B060B adjustable?
No, this breaker features a fixed thermal-magnetic trip unit. Both the long-time overload and instantaneous short-circuit functions are factory set and cannot be adjusted in the field.
Does the LGB1B060B require a mounting adapter for Siemens P-series panelboards?
No, the GB frame design is specifically configured for direct panelboard mounting in Siemens P1, P2, and P3 panels without the need for additional base adapters.
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