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Siemens NGB2B060B Molded Case Circuit Breaker
- 60A
- 2 Pole
- Bolt-On
Siemens
NGB2B060B
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGB2B060B
Quantity
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Siemens NGB2B060B - 60A 2 Pole Molded Case Circuit Breaker
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Description
Engineered for commercial and industrial applications, the Siemens NGB2B060B is a 2-pole, 60A molded case circuit breaker from the SENTRON family. It provides dependable thermal-magnetic protection for branch circuits. This bolt-on MCCB installs into Siemens P1, P2, and P3 panelboards. For modern upgrades, it is replaced by the 3VA51 series, requiring a specific mounting kit. Rated 25kAIC at 480Y/277V, it features reverse feed capability and a full HACR rating.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NGB2B060B |
| Series | NGB |
| Amperage | 60A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 240VAC, 480Y/277VAC, 600Y/347VAC, 125/250VDC |
| Phase | 1 |
| AIC Rating | 100kA @ 240VAC, 25kA @ 480Y/277VAC, 14kA @ 600Y/347VAC, 14kA @ 125/250VDC |
| Frame Type | NGB |
|---|---|
| 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 Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Reverse Feed |
Product FAQs
6 answersWhich panelboards are compatible with the Siemens NGB2B060B circuit breaker?
This bolt-on breaker is designed for direct installation in Siemens P1, P2, and P3 panelboards.
What wire sizes are accepted by the lugs on the NGB2B060B?
The factory-installed load lugs accept 8 to 1/0 AWG copper (Cu) wire or 8 to 2/0 AWG aluminum (Al) conductors.
Can the NGB2B060B be used in DC power applications?
Yes, this breaker is rated for up to 250VDC with a 14kA interrupting capacity, making it suitable for specific DC control panels and battery systems.
Is the Siemens NGB2B060B breaker HACR rated?
Yes, it carries a full HACR rating, meaning it is approved for use with heating, air conditioning, and refrigeration equipment branch circuits.
Can this breaker be reverse fed?
Yes, the NGB2B060B features reverse feed capability, allowing it to be used in applications where power is supplied from the load terminals.
What is the modern replacement for the NGB2B060B?
For modern upgrades, the NGB series is replaced by the Siemens 3VA51 series. Note that installing a 3VA51 breaker in older panelboards will require a specific mounting kit.
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