Siemens B340GFHH GFCI Molded Case Circuit Breaker
- 40A
- 3 Pole
- Bolt-On
Quantity
Siemens B340GFHH - 40A GFCI Molded Case Circuit Breaker
New
Quantity
Description
Part of the BL family, the Siemens B340GFHH is a 40A, 3-pole GFCI breaker that delivers 5mA Class A personnel protection. Operating at 208Y/120VAC, it is ideal for commercial and industrial environments requiring strict NEC compliance. This bolt-on breaker installs into Siemens P1, P2, and P3 panelboards and includes a pigtail neutral for proper wiring. Boasting a 65 kAIC rating, it features a self-test function, HACR rating, and a quick-make/quick-break mechanism for maximum reliability.Specifications
| Brand | Siemens |
|---|---|
| Series | HBL |
| Amperage | 40A |
| Poles | 3 |
| Mounting Style | Bolt-On |
| Voltage | 208Y/120VAC |
| Phase | 3 |
| AIC Rating | 65kA @ 208Y/120VAC |
| Frame Type | B |
|---|---|
| Terminal Type | Lugs |
| For Use With | Siemens P1, P2, P3 Panelboards |
| Wire Gauge | 8-6 AWG (Cu), 8-4 AWG (Al) |
| Max Wire | 6 AWG (Cu), 4 AWG (Al) |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LIG |
| Trip Function | Long-Time, Instantaneous, Ground Fault |
| Trip Adjustability | Fixed |
| Special Classification | GFCI |
|---|---|
| Available Options | Shunt Trip, Auxiliary Switch, Alarm Switch, Padlock Attachment, Handle Tie |
| Accessories | Load Side Lugs Included, Pigtail Neutral |
| Standards | CSA C22.2 No. 5, HACR, UL 489, UL 943 |
| Approval | CSA, HACR, UL |
| Temp Rating | 40C |
| Construction Features | HACR Rated, Non-Interchangeable Trip, Quick-Make/Quick-Break, Trip-Free Mechanism, Self-Test |
Product FAQs
5 answersWhich panelboards are compatible with the Siemens B340GFHH circuit breaker?
This bolt-on breaker is designed for use in Siemens P1, P2, and P3 panelboards. It is not compatible with standard plug-on residential load centers.
What level of ground fault protection does the B340GFHH provide?
It provides 5mA Class A personnel protection. This is designed to protect people from electrical shock by interrupting the circuit when a ground fault of 5 milliamperes or more is detected.
What does the HH in the B340GFHH catalog number indicate?
The HH suffix designates the extra-high interrupting rating of the breaker. For this specific model, it signifies a 65kAIC rating at 208/120VAC and 240VAC.
How is the neutral connection handled on this GFCI breaker?
The B340GFHH features a pigtail neutral wire. This wire must be connected directly to the neutral bar of the panelboard to ensure proper operation of the ground fault protection circuitry.
Can the B340GFHH be used in a 3-phase system?
Yes, it is a 3-pole breaker designed for 3-phase, 208Y/120V or 240V AC systems that require ground fault protection.
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