Siemens
Siemens NGB2B020 Miniature Circuit Breaker — 20A 240V AC
Siemens NGB2B020 Miniature Circuit Breaker (MCB)
● In Stock
12-Mo Warranty
Same-Day Dispatch
Ships Worldwide
🎖 Veteran-Owned
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Response within 1 business hour
12-month warranty
All units tested
Same-day dispatch
Order by 2pm CST
Worldwide delivery
US, EU, Asia, Middle East
Veteran-owned
CAGE: 9NK75
Thermal-magnetic tripping
High interrupting capacity
DIN rail mountable
Compact design
Reliable overcurrent protection
Product description
The Siemens NGB2B020 is a miniature circuit breaker (MCB) designed for overcurrent protection in AC circuits. It features a 20A rating and a 240V AC voltage capacity, with a thermal-magnetic trip mechanism for reliable fault interruption.
This circuit breaker is suitable for a wide range of applications, including residential, commercial, and industrial electrical distribution systems. It provides essential safety by preventing damage from short circuits and overloads.
Stanlo Automation, a veteran-owned surplus parts distributor, offers the Siemens NGB2B020. We provide quality industrial automation components with prompt service and competitive pricing.
Technical specifications
| Voltage | 240V AC |
| Current | 20A |
| Poles | 2 |
| Trip Type | Thermal-Magnetic |
| Series | NGB |
| Mounting | DIN Rail |
Common applications
Residential distribution panels
Commercial electrical systems
Light industrial applications
Control panels
Machine safety
Compatible systems
AC power distribution systems
Standard DIN rail mounting systems
Also known as
Siemens NGB2B020 breaker
NGB2B020 MCB
Siemens 20A breaker
NGB 2-pole breaker
Replaces / compatible with
This part is part of the Siemens NGB series of circuit breakers and is designed for general purpose electrical protection.
Technical note
Expert tip
Ensure proper wire termination torque is applied according to Siemens specifications to prevent overheating and ensure safe operation.What happens next?
1
Email confirmation
Immediate receipt acknowledgment sent to you
2
Account manager assigned
Confirms your part's spec and condition
3
Your quote delivered
Tailored to your specific requirements
Frequently asked questions
What is the current rating of the Siemens NGB2B020?
The Siemens NGB2B020 has a current rating of 20 Amperes (20A). This makes it suitable for circuits requiring this specific level of protection against overloads and short circuits.