International MCB
QO™ Plug-On and Bolt-On Circuit Breakers and Switches
General Description
In 1955 Square D Company introduced the QO™ Plug-on System and revolutionized the way electrical contractors install miniature circuit breakers in the United States. Today as part of Schneider Electric™ we offer the same Plug-on System technology around the world. IEC certified QO products are available for residential, commercial and industrial applications.
International Miniature Circuit Breaker Description
|
Circuit Breaker |
Description |
1Ø Consumer Units |
3Ø Distribution Boards |
|---|---|---|---|
|
QOXD |
Branch circuit breaker |
X |
X |
Characteristics
-
Circuit breakers are rated 240 Vac single phase and 415 Vac three phase, 50/60 Hz.
-
Circuit breakers are available in 1-, 2- or 3-pole construction.
-
Thermal trip elements are factory calibrated to 40°C (IEC 947-2) and 30°C (IEC 898) ambient temperature.
-
Trip-free handle ensures tripping even when the circuit breaker is held or locked in the ON position.
-
Circuit breakers are in compliance with international standards set by the International Electrotechnical Commission (IEC).
-
The CE marking is located on each circuit breaker in accordance with the low voltage directive of the European Union.
-
The entire QO circuit breaker family provides the advantage of a plug-on connection. (Bolt-on connections also available)
Accessories
Accessories
|
Accessory |
Description |
Cat. No. |
QOXD |
|---|---|---|---|
|
Handle Tie |
Ties two 1P circuit breakers together |
X |
|
|
Handle Lock-Off (Clamp) |
Attaches to 1P circuit breaker handles |
X |
|
|
Attaches to 1P, 2P, 3P circuit breaker handles |
X |
||
|
Handle Padlock Attachment |
Attaches to 1P, 2P, 3P circuit breaker handles |
— | |
|
Attaches to 1P circuit breaker handles |
QOE1PL |
— | |
|
Attaches to 1P circuit breaker escutcheon (fixed) |
X |
||
|
Attaches to 1P circuit breaker handles (removable) |
X |
||
|
Attaches to 2P, 3P circuit breaker handles (removable) |
X |
||
|
Attaches to 2P circuit breaker handles (removable) |
— |
Circuit Breaker Operating Characteristics
Branch Circuit Breakers
|
Cat. No. Prefix |
Number of Poles |
Continuous |
IEC 898 Service Rating Icn |
Tripping Characteristics |
||
|---|---|---|---|---|---|---|
|
Plug-on |
Bolt-on |
240 V |
415 V |
|||
|
QOXD |
QOBXD |
1, 2, 3 |
10–32 A |
3000 |
3000 |
Type D (10–20 In) |
|
Cat. No. Prefix |
Number of Poles |
Continuous |
IEC 947-2 Service Rating Icu (Ics) |
— | ||
|
Plug-on |
Bolt-on |
240 V |
415 V |
— | ||
|
QOXD |
QOBXD |
1, 2, 3 |
10–32 A |
3000 (100%) |
3000 (100%) |
— |
|
1 |
40–63 A |
3000 (50%) |
— | — | ||
|
2, 3 |
40–100 A |
— |
3000 (50%) |
— | ||
Main Switches
Plug-On QOXD and Bolt-On QOBXD
QOXD Thermal-Magnetic, Plug-On Miniature Circuit Breakers
240/415 V 10–32 A Certified to IEC 898 at 3 kA,
40–100 A Certified to IEC 947-2 at 3 kA
|
Ampere Rating |
1P |
2P |
3P |
Terminal Capacity Range |
|---|---|---|---|---|
|
Cat. No. |
Cat. No. |
Cat. No. |
||
|
10 A |
2.5–6 mm2 |
|||
|
16 A |
2.5–6 mm2 |
|||
|
20 A |
2.5–6 mm2 |
|||
|
25 A |
2.5–6 mm2 |
|||
|
32 A |
2.5–6 mm2 |
|||
|
40 A |
10–25 mm2 |
|||
|
45 A |
10–25 mm2 |
|||
|
50 A |
10–25 mm2 |
|||
|
63 A |
10–25 mm2 |
|||
|
80 A |
N/A |
25–50 mm2 |
||
|
100 A |
N/A |
25–50 mm2 |
QOBXD Thermal-Magnetic, Bolt-On Miniature Circuit Breakers
240/415 V 10–32 A Certified to IEC 898 at 3 kA,
40–100 A Certified to IEC 947-2 at 3 kA
|
Ampere Rating |
1P |
2P |
3P |
Terminal Capacity Range |
|---|---|---|---|---|
|
Cat. No. |
Cat. No. |
Cat. No. |
||
|
10 A |
2.5–6 mm2 |
|||
|
16 A |
2.5–6 mm2 |
|||
|
20 A |
2.5–6 mm2 |
|||
|
25 A |
QOBXD325 |
2.5–6 mm2 |
||
|
32 A |
2.5–6 mm2 |
|||
|
40 A |
10–25 mm2 |
|||
|
45 A |
1–25 mm2 |
|||
|
50 A |
10–25 mm2 |
|||
|
63 A |
10–25 mm2 |
|||
|
80 A |
N/A |
25–50 mm2 |
||
|
100 A |
N/A |
25–50 mm2 |
|
For Accessories, see Accessories For short circuit ratings, see Branch Circuit Breakers |