Siemens NGG1B050L Molded Case Circuit Breaker
- 50A
- 1 Pole
- Unit Mount
Siemens
NGG1B050L
Molded Case Circuit Breaker
Brand
Siemens
SKU
NGG1B050L
Quantity
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Siemens NGG1B050L - 50A 1 Pole Molded Case Circuit Breaker
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Description
Designed for control panels and industrial switchboards, the Siemens NGG1B050L is a 1-pole, 50A molded case circuit breaker. It provides fixed thermal and magnetic trip settings to protect critical electrical systems. This unit-mount breaker is highly adaptable, fitting into standard DIN rail enclosures. It serves as a reliable component in the SENTRON family, eventually being replaced by the 3VA5150-4ED16-0AA0. Operating with a 25kAIC rating at 277V, it is both HACR and HID lighting rated.Specifications
| Brand | Siemens |
|---|---|
| Part Number | NGG1B050L |
| Series | NGG |
| Amperage | 50A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 100kA @ 120VAC, 25kA @ 277VAC, 14kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | NGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | DIN Rail Enclosures, Control Panels, Switchboards |
| 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, Undervoltage Release, Padlock Attachment, Motor Operator, Rotary Handle, Nut Keeper Kit |
|---|---|
| Accessories | Line and Load Lugs |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, HACR, HID, NOM, UL |
| Temp Rating | 40C |
Product FAQs
5 answersWhat does the "L" suffix in the NGG1B050L part number indicate?
The "L" suffix indicates that the breaker is supplied with factory-installed line and load lugs.
How is the Siemens NGG1B050L circuit breaker mounted?
This unit-mount breaker is designed for direct installation on standard 35mm DIN rails. It can also be base-mounted to a backpan using mounting screws.
What types of enclosures is the NGG1B050L compatible with?
This GG-frame breaker is designed for use in DIN rail enclosures, industrial control panels, and switchboards.
Can the NGG1B050L be used in direct current (DC) applications?
Yes, this thermal-magnetic breaker is rated for use in DC systems up to 125VDC, providing an interrupting capacity of 14kAIC.
Are the trip settings on the NGG1B050L adjustable?
No, this breaker features a fixed thermal and fixed magnetic trip unit. The long-time and instantaneous trip functions cannot be adjusted in the field.
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