The Schneider Electric A9R81240 is an Acti9 iID residual current circuit breaker (RCCB), 2P, 40A, 30 mA sensitivity, Type AC.
Replace a unit that no longer trips on test, or no longer latches, with the same rating (40A), sensitivity (30 mA) and type (Type AC).
See our Schneider Electric range.
Technical data
| Schneider reference | A9R81240 |
|---|---|
| Product or component type | Residual current circuit breaker (RCCB) |
| Poles description | 2P |
| Neutral position | Left |
| [In] rated current | 40 A |
| Network type | AC |
| Earth-leakage sensitivity | 30 mA |
| Earth-leakage protection time delay | Instantaneous |
| Earth-leakage protection class | Type AC |
| Device location in system | Outgoer |
| Network frequency | 50/60 Hz |
| [Ue] rated operational voltage | 230…240 V AC 50/60 Hz |
| Residual current tripping technology | Voltage independent |
| Rated breaking and making capacity | Idm 1500 A; Im 1500 A |
| Rated conditional short-circuit current | 10 kA |
| [Ui] rated insulation voltage | 500 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 6 kV |
| Contact position indicator | Yes |
| Width | 36 mm |
| Tightening torque | 3.5 N.m top or bottom |
| Electromagnetic compatibility | 8/20 µs impulse withstand, 250 A conforming to EN/IEC 61008-1 |
| Dimensions (W x H x D) | 36 x 85 x 69 mm |
| Condition | New, original Schneider Electric |
Key characteristics (per Schneider)
- Residual current circuit breaker (RCCB)
- Acti9 iID
- 2P
- 40A
- AC type
- 30mA
Typical applications
- Protection of personnel in workshops and plants
- Incoming device of sub-distribution boards
- Replacement of a faulty RCCB
- Earth-leakage protection of socket and lighting circuits
Compatibility and replacement
Match poles (2P), rated current (40A), sensitivity (30 mA) and class (Type AC). Combine with suitable Acti9 circuit breakers for overload and short-circuit protection.
Frequently asked questions
How often should I press the test button?
Follow local regulations; many installers test RCCBs every few months.
Which voltage is it for?
230…240 V AC 50/60 Hz per Schneider.
Does it protect against short circuits?
No. An RCCB only detects earth leakage; use it together with circuit breakers. Schneider gives a rated conditional short-circuit current of 10 kA.
What sensitivity does it have?
30 mA, Type AC, per Schneider.
Can I get a price and delivery time?
Prices are quoted on request. Send the order number, quantity and delivery country on WhatsApp and we will reply with price and delivery time; air shipping is usually 5 to 7 days once ready, with a 1-year warranty.
Before you order
Compare the complete order number on the old unit with this page, including the suffix: in most ranges the last characters set the coil voltage, current range or version. If the label is worn, send us a photo and we will identify the part.
Need it fast? Send the order number, quantity and delivery country on WhatsApp or through the inquiry form and we reply with a quotation the same working day. All parts are new and original, covered by a 1-year warranty, and ship worldwide by air in 5 to 7 days once ready (shipping, payment and warranty). Local agents: Saudi Arabia, Iraq, the UAE, Egypt, Oman, Libya, Morocco, Mauritania, Yemen, Algeria and Jordan.




