Siemens HGG1B020L Molded Case Circuit Breaker
- 20A
- 1 Pole
- Unit Mount
Siemens
HGG1B020L
Molded Case Circuit Breaker
Brand
Siemens
SKU
HGG1B020L
Quantity
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Siemens HGG1B020L - 20A 1 Pole Molded Case Circuit Breaker
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Description
Providing essential overcurrent defense, the Siemens HGG1B020L is a 1-pole, 20A unit mount MCCB. It delivers fixed thermal and magnetic (LI) trip functions for commercial facilities. This breaker installs into Siemens P1, P2, and P3 panelboards or enclosures. It substitutes the LGG1B020L and is replaced by the 3VA5120-5ED11-0AA0 (requires retrofit kit). With a 35kAIC rating at 277VAC, it features a trip-free mechanism and carries HACR, SWD, and HID ratings for specialized loads.Specifications
| Brand | Siemens |
|---|---|
| Series | HGG |
| Amperage | 20A |
| Poles | 1 |
| Mounting Style | Unit Mount |
| Voltage | 120VAC, 277VAC, 125VDC, 347VAC |
| Phase | 1 |
| AIC Rating | 65kA @ 120VAC, 35kA @ 277VAC, 30kA @ 125VDC, 14kA @ 347VAC |
| Frame Type | HGG |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards, Switchboards, Enclosures |
| Wire Gauge | 14-10 AWG |
| Max Wire | 10 AWG |
| Min Wire | 14 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, Rotary Handle, Padlock Attachment |
|---|---|
| Accessories | Line and Load Lugs Included |
| Standards | CSA C22.2 No. 5, IEC 60947-2, UL 489 |
| Approval | CE, CSA, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, High Interrupting Capacity, Reverse Feed, Trip-Free Mechanism, Non-Interchangeable Trip, SWD Rated, HID Rated |
Product FAQs
7 answersWhat equipment is the Siemens HGG1B020L compatible with?
This 1-pole breaker is designed for installation in Siemens P1, P2, and P3 panelboards, as well as compatible switchboards and standalone enclosures.
How is the HGG1B020L circuit breaker mounted?
It features a unit mount, feed-thru design that can be installed using mounting screws or mounted directly onto a standard DIN rail without requiring additional adapters.
What wire sizes are accepted by the lugs on this 20A breaker?
The factory-installed lugs accept wire gauges ranging from 14 AWG to 10 AWG. Ensure you use properly sized conductors based on the 20A rating and local electrical codes.
Can the HGG1B020L be used in direct current applications?
Yes, this thermal-magnetic breaker is rated for 125VDC systems, providing a 30kAIC interrupting capacity for DC control circuits and specialized equipment.
What applications are suitable for the 277V and 347V ratings on this breaker?
The 277VAC (35kAIC) and 347VAC (14kAIC) ratings make this breaker ideal for commercial 277V lighting circuits and 347V Canadian industrial distribution systems.
What does the L suffix indicate in the HGG1B020L catalog number?
The L suffix indicates that the breaker is supplied with factory-installed line and load side lugs for cable-in, cable-out feed-thru connections.
Does this breaker have a trip-free mechanism?
Yes, the GG frame utilizes an overcenter toggle mechanism that is trip-free. If a short circuit occurs, the contacts are forced apart and the breaker cannot be held closed by the handle.
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