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Ships within 48 hours · Estimated delivery Oct 19 - Oct 24
Promo Codes Available:
For Your Every Summer RSVP, with Code: SUMMER15
Description
GS1KKD4Main 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 | DIN |
| Fuse size | 00 |
| Network type | AC DC |
| 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 | 126.5 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
4.7 ★★★★★
Based on 5 reviews
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Product Reviews
★★★★★ 5
Comfortable Stretch Shirt with a Clean, Fitted Look for Everyday Wear
Color: Black, Size: Large
This short sleeve button-down shirt is made from a lightweight fabric with a soft texture and noticeable stretch, giving it a flexible and easy-to-wear construction. The material drapes cleanly and maintains a structured appearance during regular use.
The fit is tailored with a more defined cut through the chest and sleeves, creating a streamlined silhouette. The fabric holds its shape well and shows limited wrinkling compared to heavier woven materials, helping it maintain a neat appearance over time.
Stitching and construction appear solid, with consistent button alignment and secure seams throughout. The collar retains its structure after repeated wear, and the overall build quality remains stable after multiple uses and washes.
The fabric composition allows for a lighter overall feel, and the design works well across different styling combinations depending on the setting.
Overall, it is a well-constructed button-down shirt with a tailored fit, flexible fabric design, and consistent build quality suitable for regular use.
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Reviewed in the United States on April 21, 2026
★★★★★ 5
Comfortable everyday shirt with a clean fit and great price
Color: Light Grey, Size: Medium
This is a really comfortable short sleeve button down that feels easy to wear right out of the package. The material has a nice stretch to it which makes it move with you instead of feeling stiff, and it lays nicely on the body for a more fitted but still relaxed look. It keeps a pretty clean shape throughout the day and does not wrinkle too badly compared to heavier shirts, which helps it look put together without much effort.
The fit is one of the better parts since it sits well through the chest and shoulders without feeling tight, and the sleeves have a nice taper that gives it a more modern look. Stitching and overall construction feel solid, and the buttons and seams seem secure and well aligned. It works well for casual wear or even a more dressed up casual office setting depending on how you style it.
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Reviewed in the United States on April 23, 2026
★★★★★ 3
Decent fit, comfortable, but washed out black color
Color: Black, Size: Large, Color: Black, Size: Large
This shirt fits well and sits comfortably through the shoulders and chest. The stretch in the material helps it move easily, and the cut works fine for casual or office use. The overall feel is straightforward and easy to wear.
The black color is more like a washed or faded black rather than the rich black I was expecting. It doesn’t have that deep tone that stands out, and the material itself doesn’t give off a premium impression. It still works fine for regular wear and doesn’t cause any issues while moving around.
Even with the lighter black tone and the average material, the fit and comfort make it a decent shirt for everyday use or simple business‑casual outfits.
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Reviewed in the United States on April 20, 2026
★★★★★ 5
Mens Muscle Fit Short Sleeve Button Down Dress Shirt
Color: Light Blue, Size: Small
This shirt feels light and comfortable, with a soft stretch that makes it easy to move in. The muscle‑fit cut highlights the chest and shoulders without feeling tight, giving it a clean, modern look.
The fabric stays breathable on warm days, and the short‑sleeve button‑down style works well for office wear or casual outings. It pairs easily with jeans or dress pants.
Pros:
- Soft, stretchy fabric for comfort
- Athletic muscle‑fit silhouette
- Breathable for summer wear
- Versatile business‑casual style
- Works well for office, travel, or weekends
Cons:
- Fabric is thin, so an undershirt may be needed
- Fit runs snug across the chest for some
Summary:
A lightweight, stretchy summer shirt that gives a clean, fitted look for work or casual days.
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Reviewed in the United States on April 25, 2026
★★★★★ 5
Perfect Summer Wedding Look – Affordable, Comfortable, and Stylish!
Size: Medium, Color: White/Black Flower, Size: Medium, Color: White/Black Flower
Absolutely thrilled with this purchase! We were looking for something both stylish and practical for a summer wedding, and this hit the mark perfectly. It was incredibly affordable, which was a bonus, but what really impressed us was the comfort and quality. My fiancé wore it all day in the summer heat and didn’t feel weighed down or overheated—thanks to the light, breathable, and sweat-wicking fabric. The fit was spot on and looked tailored right out of the package. Plus, the pattern was exactly as pictured—crisp, vibrant, and modern. A great option for weddings, outdoor events, or any warm-weather occasion. Highly recommend!
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Reviewed in the United States on June 26, 2025