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- USA
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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
GS1KD4Main Range TeSys Product name TeSys GS Device short name GS1 K Product or component type Switch disconnector fuse Device application Protection Poles description 4P Protected poles description 4t Contacts type and composition 4 NO [Ith] conventional free air thermal current 125 A (at 40 C) [Ie] rated operational current 100 A at 440 V 2 poles in series per phase DC 23A 100 A at 440 V 2 poles in series per phase DC 23B 100 A at 690 V with terminal
Main
| Range | TeSys |
| Product name | TeSys GS |
| Device short name | GS1 K |
| Product or component type | Switch-disconnector-fuse |
| Device application | Protection |
| Poles description | 4P |
| Protected poles description | 4t |
| Contacts type and composition | 4 NO |
| [Ith] conventional free air thermal current | 125 A (at 40 °C) |
| [Ie] rated operational current | 100 A at 440 V 2 poles in series per phase DC-23A 100 A at 440 V 2 poles in series per phase DC-23B 100 A at 690 V with terminal cover AC-23A 100 A at 690 V with terminal cover AC-23B 125 A at 400 V AC-23A 125 A at 400 V AC-23B 125 A at 500 V AC-23A 125 A at 500 V AC-23B |
| Fuse type | NFC |
| Fuse size | 22 x 58 mm |
| Network type | DC AC |
| Network frequency | 50/60 Hz |
Complementary
| Type of operating handle | Direct right side |
| Mounting support | Plate |
| [Ui] rated insulation voltage | 750 V AC 50/60 Hz |
| [Uimp] rated impulse withstand voltage | 8 kV |
| Rated operational power in W | 90 kW at 690 V 63 kW at 400 V 90 kW at 500 V |
| Making capacity | 1250 A at 400 V AC-23B |
| [Icm] rated short-circuit making capacity | 100 kA at 400 V with protection by gG fuses |
| Breaking capacity | 1000 A at 400 V (AC-23B) |
| Short-circuit withstand | 20 kA |
| Mechanical durability | 10000 cycles |
| Electrical durability | 1000 cycles AC-23A 1000 cycles AC-23B |
| Connections - terminals | Power circuit: bars Power circuit: lugs-ring terminals35…95 mm² flexible |
| Tightening torque | Power circuit: 12 N.m - on bars Power circuit: 12 N.m - on lugs-ring terminals |
Environment
| Standards | IEC 60947-3 |
| Product certifications | CE |
| Protective treatment | TH |
| IP degree of protection | IP20 conforming to IEC 60529 (with terminal cover) |
| Ambient air temperature for operation | -20…70 °C |
| Ambient air temperature for storage | -40…80 °C |
| Fire resistance | 850 °C fuse cover conforming to IEC 60695-2-1 960 °C body conforming to IEC 60695-2-1 |
| Height | 162 mm |
| Width | 186 mm |
| Depth | 116 mm |
| Net weight | 2 kg |
Offer Sustainability
| REACh Regulation | REACh Declaration |
| REACh free of SVHC | Yes |
| EU RoHS Directive | Under investigation |
| Toxic heavy metal free | Yes |
| Mercury free | Yes |
| RoHS exemption information | Yes |
| China RoHS Regulation | China RoHS declaration |
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
4.0 ★★★★★
Based on 2069 reviews
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Product Reviews
★★★★★ 5
Soft!
Color: Peach Fuzz
These socks for dry heels are wonderful. I purchased a balm for my feet and these help it soak in over night. They have a gel liner in the heel which is soft. The first few nights I could. Feel the socks just because I wasn't used to it but after a few wears I can't tell I have them on. Love them and seem to be helping my heels.
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Reviewed in the United States on May 23, 2026
★★★★★ 5
Soft heels, here I come!
Color: Blue Haven
⭐️⭐️⭐️⭐️⭐️
I bought these for my 16-year-old daughter, and she loves them. They’re super soft and cozy, and they’ve really helped with dry heels. The moisturizing lining works great, and her feet feel noticeably smoother after wearing them. She even wears them around the house because they’re comfortable, not bulky or slippery. Great quality and a fun little self-care item — definitely a win! I even bought myself and my mom a pair!
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Works great!
Color: Lavender Luxury
Kind of surprising but these actially work and are comfortable. I noticed a difference in my calloused heels after the first use.
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Reviewed in the United States on May 21, 2026
★★★★★ 5
Best thing ever!
Color: Lavender Luxury
These are the best thing ever! Put your favorite foot balm on then cover your heels with these socks and go to bed. You’ll wake up with the softest feet and no cracked heels!
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Reviewed in the United States on April 16, 2026
★★★★★ 4
Works well if you wear them every day
Color: Lavender Luxury, Color: Lavender Luxury
These heel socks do work, but you need to be consistent and patient. The socks are soft with a gel lining on the inside that basically traps your body heat and moisture—kind of like a mini spa for your feet. My heels felt noticeably softer after just one hour of wearing them.
That said, I don’t love sleeping with socks on, so it took me two nights to get used to them. I even took them off the first night because I couldn’t stand the feeling. After five nights of use with nightly exfoliating, my heels are definitely softer, but still cracked in some areas. I’m hoping they keep improving with continued use.
If you stick with it and exfoliate regularly, these socks definitely help soften rough skin. Not a miracle fix overnight, but a helpful tool for healing cracked heels.
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Reviewed in the United States on June 6, 2025