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Quick Details

  • Place of Origin: Zhejiang, China (Mainland)
  • Brand Name: TENN
  • Model Number: 1221 T521B
  • Max. Current: 15A
  • Max. Voltage: 250V
  • Mechanical Life: 500,000

Packaging & Delivery

Packaging Details carton, pallet is also available if require
Delivery Time withing 15-20 working days


1. 15A 10A
2.On-Off 4P
3. CE ISO9001:2000
4.Spring return is optional
5.Waterproof, Oil resistant

1.Series reference

Toggle Switch 15A1021 2P On-Off
Toggle Switch 15A1121 3P On-On
Toggle Switch 15A1122 3P On-Off-On
Toggle Switch 15A1221 4P On-Off
Toggle Switch 15A1321 6P On-On
Toggle Switch 15A1322 6P On-Off-On


2. Specification

  • Current: 10A or 15A
  • Fixed type and auto-return type (spring return)
  • Connect terminal normal is screw terminal, also can select solder terminal and tab terminal (pin type)
  • Rainproof cap, water-proof and oil-proof
  • Mounting hole: 12mm
  • Contact resistance: 15MQ max. (initial)
  • Insulation resistance: 100M Q above under 500VDC
  • Dielectric strength: 2000VAC, 50/60HZ For 1 minute
  • Frequency: 10 to 55Hz, 1.5mm double amplitude
  • Ambient temperature: -25C~+80C
  • Humidity: 85% RH max.
  • Mechanical Life time: 500,000 operations/min.
  • Electrical Life time: 100,000 operations/min.


AC Load

DC Load


10A 250V 15A 125V

0.4A 250V 0.8A 125V


15A 250V 20A 125V

0.5A 250V 0.9A 125V


10A 250V 15A 250V

0.2A 250V 0.4A 125V


15A 250V 20A 125V

0.3A 250V 0.5A 125V 15A 30V


300W 100V 500W 200V



400W 125V 800W 250V

7A 30V


200W 125V 300W 250V



400W 125V single phase


550W 250V three phase


750W 250V three phase


3. Dimension

4. Waterproof Cap


5. Tab Terminal

6.Product Photos



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China (Mainland) | Trading Company
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11 Transactions 30,000+
The supplier’s transactions conduted via Alibaba.com in the past 6 months.
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Supplier's Trade Assurance Limit: US $179,000
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