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Product Specifications:
| Item | Unit Mount Circuit Breaker |
| Ac Voltage Rating | 120/240V AC |
| Amps | 40A |
| Awg Gauge | 14 AWG to 2 AWG |
| Circuit Breaker Actuator | Toggle |
| Circuit Breaker Application | HACR Rated |
| Circuit Breaker Mounting Style | Surface/Din Rail |
| Circuit Breaker Type | Standard |
| Compatible Panelboard/load Center Series | Series QO |
| Component Type | Miniature Circuit-Breaker |
| Dc Voltage | 48V , 48V DC |
| Depth | 2.95" |
| Electrical Connection | Slotted Box Lugs, Line Side, Load Side |
| For Use With | Air Conditioning And Refrigeration Equipment, Heating |
| Frame Size | 100A, QOU |
| Height | 4.05" |
| Length | 4.05" |
| Line Rated Amps | 40A |
| Max. Air Rating | 10 kA At 120/240V AC |
| Max. Air Rating | 10kA |
| Max. Wire Size | 2 AWG |
| Min. Wire Size | 14 AWG |
| Mounting Mode | Unit Mount |
| No. Of Poles | 3 |
| Phase | 3 |
| Rated Operational Voltage | 120/240V AC/48V DC |
| Returnability | Yes |
| Terminal Connection | Slotted Box Lug (Reversible Line And Load) |
| Tightening Torque | 45 lbf.in. @ 14 AWG to 2 AWG |
| Width | 2 1/4" , 2.25" |
Shipping Info:
| Ship weight (kg) | 0.51 |
| Ship height (cm) | 7.49 |
| Ship length (cm) | 10.29 |
| Ship width (cm) | 5.72 |
| HS code | 8536200040 |
| Country of Origin | MX |
Product Variants
| Product | Model | No. Of Poles | Amps | Dc Voltage | Phase | Min. Wire Size | Terminal Connection | Circuit Breaker Type | Returnability | Price | |
|---|---|---|---|---|---|---|---|---|---|---|---|
![]() |
QOU290 | 2 | 90A | 60V DC | 1 | 12 AWG | Slotted Box Lug (Non-Reversible Line And Load) | Standard | Yes | €199.34 | |
![]() |
QOU330VH | 3 | 30A | 48V DC | 3 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | Standard | Yes | €350.98 | |
![]() |
QOU115 | 1 | 15A | 48V DC | 1 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | Standard | Yes | €36.08 | |
![]() |
QOU115HM | 1 | 15A | 48V DC | 1 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | High Magnetic | No | €47.14 | |
![]() |
QOU120 | 1 | 20A | 48V DC | 1 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | Standard | Yes | €36.08 | |
![]() |
QOU120HM | 1 | 20A | 48V DC | 1 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | High Magnetic | No | €47.14 | |
![]() |
QOU125 | 1 | 25A | 48V DC | 1 | 14 AWG | Slotted Box Lug (Reversible Line And Load) | Standard | Yes | €37.07 |
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SQUARE D QOU340 Unit Mount Circuit Breaker Qou 3p 40a
€226.07 /unit





