Csk1 Csk11A/Csk2/Csk3 Magnetic Blowing Quick Micro Switch Travel Limit Switch
Product Specifications
- CSK1
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Product Highlights
- Explosion-Proof Design: Suitable for mining and high-voltage switch operating mechanisms with safety certification.
- Fast Action Speed: Instantaneous mechanism ensures flexible operation with less arc pulling.
- Durable Contact Material: Contact made of silver base alloy with large electric contact area for fast heat dissipation.
- High Mechanical Strength: Shell made of polycarbonate and engineering plastics, flame-retardant and heat-resistant.
- Long Mechanical Life: Rated for 1,000,000 mechanical operations with stable performance.
- Comprehensive Certifications: Certified with RoHS, CE, ISO, and CCC for global compliance.
- OEM and Customization: Accepts OEM orders and full customization with specific drawings or parameters.
- 1-Year Warranty: Covers mechanical defects with a comprehensive 1-year warranty period.
Product Attributes
- Customization
- Available
- Structure
- Working Limit Switch
- Type
- Explosion-Proof Limit Switch
- Model NO.
- CSK1
- Certification
- RoHS, CE, ISO, CCC
- Switching Element
- Speed Switch
- Application
- Mining
- Contactless Type
- Reed Switch
- Contact
- Contact
- Max. Current
- 15A
- Operation Speed
- 0.5mm-50cm/Sec
- Max. Voltage
- 10A 250VAC
- Housing Material
- Bakelite
- Degree of Protection
- IP66
- Transport Package
- Packing by Carton
- Specification
- 10pcs/inner box, 200pcs/master box, 20kgs/ctn
- Trademark
- ann
- Origin
- Wenzhou
- Production Capacity
- 50000PCS/Year
- Package Size
- 10.00cm * 10.00cm * 10.00cm
- Package Gross Weight
- 0.500kg
- Lead Time
-
15 days (1 - 10000 Pieces)
To be negotiated ( > 10000 Pieces)
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Csk1 Csk11A/Csk2/Csk3 Magnetic Blowing Quick Micro Switch Travel Limit Switch
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Product Description
Instantaneous Travel Limit Switch CSK1 Quick Switch CSK11A/CSK2/CSK3 Magnetic Blowing Micro Switch
CSK series magnetic blow quick travel limit switch (CSK1, CSK11A, CSK2, CSK3,CSK3) is industrial auxiliary snap-action micro switch with built-in magnetic blow-out arc extinguishing structure. Roller lever actuator, momentary instant operation. Multiple contact combinations available: 1NO1NC, 2NO2NC, 3NO3NC. Widely used for high voltage cabinet auxiliary signal, circuit breaker accessories, machine tool, lifting machinery travel limit and position feedback control.
- Magnetic blow-out arc extinguishing design, rapidly quenches electric arc, greatly improves contact life under inductive load
- Snap action instantaneous mechanism, fast switching speed, low contact bounce
- Multiple models optional: CSK1(1NO1NC), CSK2(2NO2NC), CSK3(3NO3NC), CSK11A
- Silver alloy contact, large contact area, good heat dissipation, anti-ablation
- Transparent / blue flame-retardant PC housing, high insulation, heat & aging resistance
- Stainless steel roller lever, low actuation force, smooth mechanical triggering
- Screw terminal connection, simple installation and replacement
- CE, CCC, RoHS certified, for industrial control & high voltage cabinet auxiliary circuit

1. The instantaneous mechanism inside the switch has fast action speed, less arc pulling, flexible and light operation, and the contact is made of silver base alloy.
2. It's with large electric contact area, fast heat dissipation, and its shell material is polycarbonate. Its mechanical strength is high, heat resistance, cold resistance, anti-aging and electrical performance are good.
3. Instantaneous mechanism: high strength and stable performance.
4. Screw fixation: stable performance and smooth operation.
5. The shell is made of engineering plastics with high insulation performance, which is flame-retardant, heat-resistant and durable.
| Items | Specifications |
| Model | CSK11 |
| Contact Material | Silver thickness 0.2mm |
| Frequency | 50/60Hz |
| Rated Insulation Voltage | AC 380V |
| Rated Working Voltage | AC12 16A/DC 12 5A |
| Contact Resistance | ≤50Ω |
| Operation Force | ≤600g |
| Restoring Force | ≤200g |
| Action trip(PT) | 3mm±1mm |
| Mechanical Life | 1000K |
| Electrical Life | AC-12 100K/DC-12 50K |
| Warranty | 1 Year |
| Efficiency | 97% |
| Certificate | CCC, CE(LVD-2014/35/EU+EMC-2014/30/EU) |








- High voltage switch cabinet auxiliary signal feedback
- Circuit breaker auxiliary interlock
- Machine tool travel limit control
- Crane, hoist and lifting equipment
- Conveyor, packaging machinery
- Industrial automation position detection & sequence control


Yueqing Ann Electric Co.,Ltd
For years, ANNELE has specialized in manufacturing industrial switches, outdoor waterproof electrical fittings and PV solar components. Supported by mature production techniques and strict quality inspection standards, we deliver durable, safe products and provide OEM customization as well as one-stop industrial electrical solutions. Our products serve intelligent manufacturing, engineering machinery, new energy photovoltaic and other industries, and are sold worldwide for stable performance, long service life and cost efficiency. Focusing on industrial control electrical field, we keep upgrading products to empower the sound development of global automation industry with reliable electrical solutions.
About the Supplier
This supplier has been audited by TÜV Rheinland. Verify the report on the official TÜV Rheinland website with ID "MIC-ASR2431870". Items marked "" are certified.
Company Profile
Ann Electric is located in Liushi, Zhejiang, honored as China's Electric City, a renowned industrial hub for low-voltage electric appliances. We are a specialized manufacturer and exporter focused on industrial automation switches and outdoor waterproof electrical products.
Our core product portfolio is divided into two major lines:
Industrial Automation Series
Proximity sensors, limit switch, Foot Switch, Float Switch, Isolator Switch, Cam Switch, solar Switch, Pushbutton Switch, PLC, HMI, rotary encoders, AC drives, soft starters and matching electrical accessories.
Outdoor Waterproof Series
Waterproof plugs & sockets, waterproof junction boxes, distribution boxes, waterproof connectors and terminal boxes.
Core Competitive Advantages
Strict Standard Production: All products are manufactured in accordance with international IEC standards under ISO9001 quality management system; Mainstream items carry CE & RoHS certifications to meet global market access requirements.
Independent Production & Cost Edge: In-house production workshop and complete processing equipment help us control production costs, offering customers competitive factory-direct prices without intermediate markup.
Customization Available: We support customized specifications, wiring and appearance based on clients' drawings or special application demands for different projects.
Stable Lead Time & Strict QC: Full-process incoming inspection, semi-finished test and finished-product aging test effectively reduce defective rate; Sufficient raw material inventory ensures punctual shipment for bulk orders.
Sticking to the philosophy of Quality Oriented & Win-Win Cooperation, we have built long-term stable partnerships with clients across Europe, Southeast Asia, the Middle East and other regions. We sincerely welcome global buyers to visit our factory or send inquiries for further cooperation.
About Our Factory & Business Background
- Address
- No47, Fengchang Road, Yueqing, Wenzhou, Zhejiang, China
-
Terms of Payment
- LC, T/T, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
-
Peak Season Lead Time: within 15 workdays, one month
Off Season Lead Time: within 15 workdays, one month -
Nearest Port
- Ningbo Port, Shanghai Port
-
Minimum Order Quantity
- 50 Pcs
-
Supply Chain Partners
- 40
Our Production Capability & Technical Expertise
- Main Products
- Weatherproof Switch Socket, Limit Switch, Waterproof Electric Box, Solar Switch, Foot Switch, Rotary Switch, Float Switch, Transfomer, PLC, Sensor
-
QA/QC inspectors
- 1 people
-
Inspection Type for Finished Products
- Random inspection(Visual inspection)
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples, Customization from Designs, Full Customization, Flexible customization, Minor Customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 1 people
-
Traceability of Raw Materials
- Yes
-
Own Brand
- Yes
Our Industry Experience & Global Business Record
-
Export Year
- 14 Years
-
Main Markets
- Europe
-
Number of Foreign Trading Staff
- 2
-
Overseas Agent/Branch
- No
-
New Products Launched in Last year
- No
FAQ
- Could I have prices of your products?
- Welcome. Please feel free to send us inquiry here. We will reply you within 24 hours.
- Can I get a sample before the bulk order?
- Yes, we welcome sample order to test and check quality. Mixed samples are acceptable.
- Can we print our logo/ company name on products?
- Yes, of course, we accept OEM, then need you to provide brand authorization to us
- Do you accept product customization?
- Yes, of course, please provide specific drawings or parameters, we will quote you after evaluation
- What is the lead time?
- The lead time depends on the quantities ordered, generally within 7-20 days after receiving the payment.
- What is your Trade Terms?
- We accept EXW, FOB, CIF, FCA, etc.
- What is your payment method?
- We accept T/T, Western Union, Paypal, irrevocable L/C at sight, etc
- Do you inspect the finished products?
- Yes, each step of production and finished products will be came out inspection by QC department before shipping. And we will provide goods inspection reports for your reference before shipment
- How to solve the quality problems after sales?
- Take photos of the quality problems and send to us for our checking and confirming, we will make a satisfied solution for you within 3 days.
Send your message to this supplier
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Product Groups
- Sensor & Proximity Switch
- Micro Switch & Limit Switch
- Pull Rope Switch & Crane Limit Switch
- Foot switch
- Isolator Switch &Float Switch & Rotary Switch
- Solar products
- Waterproof Cable Connector
- Weatherproof Switch socket
- Waterproof Electric Box
- Waterproof Distribution Box
- Combination Socket Box & Portable Socket Box
- Heater & Thermostat & Fan & Filter
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