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Description
LC1DT40BDMain Range TeSys Product name TeSys D Product or component type Contactor Device short name LC1D Contactor application Resistive load Utilisation category AC 1 Poles description 4P Power pole contact composition 4 NO [Ue] rated operational voltage Power circuit: <= 690 V AC 25 400 Hz Power circuit: <= 300 V DC [Ie] rated operational current 40 A (at <60 C) at <= 440 V AC AC 1 for power circuit Control circuit type DC standard [Uc] control circuit
Main
| Range | TeSys |
| Product name | TeSys D |
| Product or component type | Contactor |
| Device short name | LC1D |
| Contactor application | Resistive load |
| Utilisation category | AC-1 |
| Poles description | 4P |
| Power pole contact composition | 4 NO |
| [Ue] rated operational voltage | Power circuit: <= 690 V AC 25...400 Hz Power circuit: <= 300 V DC |
| [Ie] rated operational current | 40 A (at <60 °C) at <= 440 V AC AC-1 for power circuit |
| Control circuit type | DC standard |
| [Uc] control circuit voltage | 24 V DC |
| Auxiliary contact composition | 1 NO + 1 NC |
| [Uimp] rated impulse withstand voltage | 6 kV conforming to IEC 60947 |
| Overvoltage category | III |
| [Ith] conventional free air thermal current | 10 A (at 60 °C) for signalling circuit 40 A (at 60 °C) for power circuit |
| Irms rated making capacity | 140 A AC for signalling circuit conforming to IEC 60947-5-1 250 A DC for signalling circuit conforming to IEC 60947-5-1 450 A at 440 V for power circuit conforming to IEC 60947 |
| Rated breaking capacity | 450 A at 440 V for power circuit conforming to IEC 60947 |
| [Icw] rated short-time withstand current | 50 A 40 °C - 10 min for power circuit 120 A 40 °C - 1 min for power circuit 240 A 40 °C - 10 s for power circuit 380 A 40 °C - 1 s for power circuit 100 A - 1 s for signalling circuit 120 A - 500 ms for signalling circuit 140 A - 100 ms for signalling circuit |
| Associated fuse rating | 10 A gG for signalling circuit conforming to IEC 60947-5-1 63 A gG at <= 690 V coordination type 1 for power circuit 40 A gG at <= 690 V coordination type 2 for power circuit |
| Average impedance | 2 mOhm - Ith 40 A 50 Hz for power circuit |
| [Ui] rated insulation voltage | Power circuit: 600 V CSA certified Power circuit: 600 V UL certified Signalling circuit: 690 V conforming to IEC 60947-1 Signalling circuit: 600 V CSA certified Signalling circuit: 600 V UL certified Power circuit: 690 V conforming to IEC 60947-4-1 |
| Electrical durability | 1.4 Mcycles 40 A AC-1 at Ue <= 440 V |
| Power dissipation per pole | 3.2 W AC-1 |
| Safety cover | With |
| Mounting support | Plate Rail |
| Standards | CSA C22.2 No 14 EN 60947-4-1 EN 60947-5-1 IEC 60947-4-1 IEC 60947-5-1 UL 508 |
| Product certifications | CSA UL RINA GOST LROS (Lloyds register of shipping) BV GL DNV CCC |
| Connections - terminals | Control circuit: screw clamp terminals 2 cable(s) 1…2.5 mm²flexible with cable end Control circuit: screw clamp terminals 1 cable(s) 1…4 mm²flexible without cable end Control circuit: screw clamp terminals 2 cable(s) 1…4 mm²flexible without cable end Control circuit: screw clamp terminals 1 cable(s) 1…4 mm²flexible with cable end Control circuit: screw clamp terminals 1 cable(s) 1…4 mm²solid without cable end Control circuit: screw clamp terminals 2 cable(s) 1…4 mm²solid without cable end Power circuit: connector 1 cable(s) 2.5…10 mm²flexible without cable end Power circuit: connector 2 cable(s) 2.5…10 mm²flexible without cable end Power circuit: connector 1 cable(s) 2.5…10 mm²flexible with cable end Power circuit: connector 2 cable(s) 2.5…10 mm²flexible with cable end Power circuit: connector 1 cable(s) 2.5…16 mm²solid without cable end Power circuit: connector 2 cable(s) 2.5…16 mm²solid without cable end |
| Tightening torque | Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver flat √ò 6 mm Control circuit: 1.7 N.m - on screw clamp terminals - with screwdriver Philips No 2 Power circuit: 1.7 N.m - on connector - with screwdriver flat √ò 6 mm Power circuit: 1.7 N.m - on connector - with screwdriver Philips No 2 |
| Operating time | 16...24 ms opening 53.55...72.45 ms closing |
| Safety reliability level | B10d = 1369863 cycles contactor with nominal load conforming to EN/ISO 13849-1 B10d = 20000000 cycles contactor with mechanical load conforming to EN/ISO 13849-1 |
| Mechanical durability | 30 Mcycles |
| Maximum operating rate | 3600 cyc/h 60 °C |
Complementary
| Coil technology | Built-in bidirectional peak limiting diode suppressor |
| Control circuit voltage limits | Drop-out: 0.1...0.25 Uc DC (at 60 °C) Operational: 0.7...1.25 Uc DC (at 60 °C) |
| Time constant | 28 ms |
| Inrush power in W | 5.4 W (at 20 °C) |
| Hold-in power consumption in W | 5.4 W at 20 °C |
| Auxiliary contacts type | Type mechanically linked 1 NO + 1 NC conforming to IEC 60947-5-1 Type mirror contact 1 NC conforming to IEC 60947-4-1 |
| Signalling circuit frequency | 25...400 Hz |
| Minimum switching current | 5 mA for signalling circuit |
| Minimum switching voltage | 17 V for signalling circuit |
| Non-overlap time | 1.5 ms on de-energisation between NC and NO contact 1.5 ms on energisation between NC and NO contact |
| Insulation resistance | > 10 MOhm for signalling circuit |
Environment
| IP degree of protection | IP20 front face conforming to IEC 60529 |
| Protective treatment | TH conforming to IEC 60068-2-30 |
| Pollution degree | 3 |
| Ambient air temperature for operation | -5…60 °C |
| Ambient air temperature for storage | -60…80 °C |
| Permissible ambient air temperature around the device | -40…70 °C at Uc |
| Operating altitude | 3000 m without |
| Fire resistance | 850 °C conforming to IEC 60695-2-1 |
| Flame retardance | V1 conforming to UL 94 |
| Mechanical robustness | Vibrations contactor open: 2 Gn, 5...300 Hz Vibrations contactor closed: 4 Gn, 5...300 Hz Shocks contactor closed: 15 Gn for 11 ms Shocks contactor open: 8 Gn for 11 ms |
| Height | 91 mm |
| Width | 45 mm |
| Depth | 107 mm |
| Net weight | 0.425 kg |
Offer Sustainability
| Sustainable offer status | Green Premium product |
| REACh Regulation | REACh Declaration |
| EU RoHS Directive | Compliant EU RoHS Declaration |
| Toxic heavy metal free | Yes |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
| Environmental Disclosure | Product Environmental Profile |
| Circularity Profile | End of Life Information |
| WEEE | The product must be disposed on European Union markets following specific waste collection and never end up in rubbish bins |
Contractual warranty
| Warranty | 18 months |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.7 ★★★★★
Based on 8 reviews
Sort
Product Reviews
★★★★★ 5
Worth the Price
Color: Matte Black, Size: Medium
At first, I was unsure because of the price, but wow—I was wrong. These worked perfectly with my loafers and flats. They stayed in place and fit comfortably all day. The only downside is the logo on the back, but overall I really like these socks.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 6, 2026
★★★★★ 5
Highly recommend
Color: Cream Beige, Size: Medium, Color: Cream Beige, Size: Medium
These are amazing. I have tried a lot of no show socks and either retired, gave away or threw away. These actually stay up. I’ve worn them with flats and sneakers. They are even comfortable wearing around the house without shoes. I highly recommend these. There are small areas they may show, but it’s not enough to bother me.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 21, 2026
★★★★★ 4
Works well for sockless look, but annoying branding placement
Color: Matte Black, Size: Medium, Color: Matte Black, Size: Medium
The Good: works great as true no show socks for loafers. Gives you that sock-less look that many “invisible/no show socks” don’t provide for loafer type shoes. I really like these socks because it works for that purpose and they don’t slip off.
The Bad: I hope Ondo considers my review, because although I love the functionality of the socks and would like to buy more, the only thing that prevents me from buying more is that they put their logo right at the heel of the socks. When I’m driving and look down at my shoes, the ONDO branding is very apparent and it’s quite annoying (I bought the black color socks). I’m not buying more pairs because of this one gripe I have with these socks.
Other than that, these socks work well. Just too bad the branding placement of the socks is annoying. Will keep my current pairs but won’t buy more.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Socks that don’t slide into your shoe!!
Great socks!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 26, 2026
★★★★★ 1
Hole after 3 times wearing them
Color: Cream Beige, Size: Medium
While these fit well and stayed up, after three times wearing one of them has a hole in it already. Not worth the money
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 21, 2026
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