Square D QOB240HID Circuit Breaker
- 40A
- 2 Pole
- Bolt-On
Quantity
Square D QOB240HID 2 Pole Circuit Breaker
New
Quantity
Description
Square D QOB240HID 2 Pole Circuit Breaker
The Square D QOB240HID is a 2 Pole thermal magnetic molded case circuit breaker with a current rating of 40 Amps and a voltage rating of 120/240VAC, 48VDC. It has an interrupting rating of 10kAIC at 120/240VAC. The QOB240HID has a bolt-on mounting type and includes long time and instantaneous trip functions.
Specifications
| Brand | Square D |
|---|---|
| Series | QOB |
| Amperage | 40A |
| Poles | 2 |
| Mounting Style | Bolt-On |
| Voltage | 120/240VAC, 48VDC |
| Phase | 1 |
| AIC Rating | 10kA @ 120/240VAC |
| Frame Type | QOB |
|---|---|
| Terminal Type | Box Lugs |
| For Use With | Square D NQ and NQOD Panelboards |
| Wire Gauge | 8-2 AWG |
| Max Wire | 2 AWG |
| Min Wire | 8 AWG |
| Trip Technology | Thermal Magnetic |
|---|---|
| Trip Function Code | LI |
| Trip Adjustability | Fixed |
| Standards | RoHS, REACh |
|---|---|
| Approval | UL, CSA |
| Temp Rating | 40 °C |
Product FAQs
4 answersWhat does the HID designation mean on the QOB240HID circuit breaker?
The HID suffix indicates the breaker is rated for switching high-intensity discharge lighting circuits. These lighting systems, such as metal halide or mercury vapor, generate high inrush currents that standard breakers may not reliably handle.
Can I install the QOB240HID in a standard plug-on QO load center?
No. The QOB240HID features a bolt-on mounting design. While it belongs to the QO series family, it requires a bolted connection to the bus bar and is specifically designed for NQ and NQOD panelboards, or QOB load centers.
How can I tell if the QOB240HID has tripped?
This breaker features the Square D Visi-Trip indicator. When a fault occurs and the breaker trips, a highly visible red flag appears in the indicator window, allowing you to quickly locate the tripped circuit in a crowded panel.
What type of trip functions does the QOB240HID utilize?
This thermal-magnetic breaker utilizes both long-time and instantaneous trip functions. The long-time function protects against sustained overloads, while the instantaneous function provides an immediate response to severe short circuits.
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