Siemens 3MT7040-3AA11-0AC2 40A 18.5kW Contactor, 1 NO + 1 NC, 24 V AC Coil
- Brand: Siemens
- SKU: 3MT7040-3AA11-0AC2
- MPN: 3MT7040-3AA11-0AC2
- Price: TRY 1,534.59 + VAT · incl. VAT TRY 1,841.51
- Availability: In stock
- Power Contactors
- Siemens Power Contactors
- Selection guide: What Is a Contactor? Uses, Types and Selection
- Calculate star-delta and DOL motor currents
- Calculate motor annual energy and IE3/IE4 savings
- Calculate current and breaker size from active power
Siemens 3MT7040-3AA11-0AC2 is a SINOPLUS size 3 3-pole power contactor rated 40 A and 18.5 kW at AC-3, 400 V, with 1 NO + 1 NC auxiliary contact and a 24 V AC (50/60 Hz) coil. AC-1 operational current is 60 A at 40 °C and 50 A at 60 °C ambient; maximum AC-3 operating voltage is 690 V and motor power at 690 V is 22 kW. Coil pick-up power at 50 Hz is 280 V·A and holding power 41 V·A; closing delay 17 ... 29 ms, opening delay 6 ... 15 ms. Insulation voltage 1000 V, rated impulse withstand voltage 8 kV, front degree of protection IP20, mechanical service life 5000000 operating cycles. Main and auxiliary circuits use screw-type terminals; main contacts accept 1x (2.5 ... 25 mm²), 2x (2.5 ... 16 mm²) solid or stranded conductors. It mounts by screws or snaps onto a 35 mm DIN rail; dimensions are 127.5 x 74.5 x 113 mm (H x W x D), net weight 1.02 kg. Typical uses are motor starting, heater and lighting circuits in panels with 24 V AC control circuits.
| AC-1 Rated Current | 60 A |
|---|---|
| AC-3 Rated Current | 40 A |
| Motor Power (AC-3, 400 V) | 18.5 kW |
| Connection Type | Screw |
| Frame size | 3 |
| Model | 3MT7040-3AA11-0AC2 |
| Auxiliary Contact | 1 NO + 1 NC |
| Product Type | Contactor |
| Series | SINOPLUS |
| Product Weight | 1.02 kg |
| Control Voltage | 24 V AC (50/60 Hz) |
| Mounting Position | Dikey montaj düzlemine göre öne and arkaya 22.5° eğim and 360° dönüş |
| Fixing Method | Vidalı veya 35 mm ya da 75 mm standart raya geçmeli montaj (DIN EN 60715) |
| Height | 127.5 mm |
| Width | 74.5 mm |
| Depth | 113 mm |
Shipping & assurance
Products in our store stock are handed over to the carrier on the same day, while products requiring procurement are generally handed over within 1–2 business days.
In rare cases, all or part of an order may be unavailable due to stock or procurement updates. In this case, the customer is informed and the relevant product is cancelled and refunded. A product being open for sale does not guarantee that it is in physical store stock.
Carrier hand-over cut-off
- Weekdays
- Saturday