7303-1B3AL-0P3 micro switches
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Compact size and structure
7303-1B3AL-0P3 micro switches
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| PRODUCT SPECIFICATION | |||||||||||
| FILE NO. | 7303-OP3-004 | EDITION | A | ||||||||
| PART NO. | 7303-1B3AL-0P3 | ||||||||||
| Product Name | Micro Switch | ||||||||||
| 1 | GeneralCharacteristics ： | ||||||||||
| 1.1 | Application: This specification is applied to the micro switch (7303 series ) for Generalapplications. | ||||||||||
| 1.2 | Operating Temperature Range: 0℃to +125℃ | ||||||||||
| Preservative Temperature Range: 0℃to +40℃ ≤85%RH | |||||||||||
| 1.3 | Operating Relative Humidity: (45～85)%RH | ||||||||||
| 1.4 | Test Conditions: Unless otherwise specified, the atmospheric conditions for making measurements and tests are as follows: | ||||||||||
| Ambient Temperature: 5~35℃ | |||||||||||
| Relative Humidity: 45~85% | |||||||||||
| Air Pressure: 86~106Kpa (860~1060mbar) | |||||||||||
| 2. | Appearance, Structure and Dimensions ： | ||||||||||
| 2.1 | Appearance: The switch shall have good finishing, and no rust, crack or plating defects. | ||||||||||
| 2.2 | Structure & Dimensions: Refer to individual product drawing. | ||||||||||
| 2.3 | Markings: Refer to individual product drawing. | ||||||||||
| 3. | Ratings | CERTIFICATION | RATING | LIFE CYCLES | FILE NO. | ||||||
| ENEC、KEMA、SEMKO | 3(3)A 250VAC T125 μ | 50,000 | |||||||||
| CQC | 3(3)A 250VAC T125 μ | 50,000 | |||||||||
| UL、CUL | 6A 250VAC 10.1A 125VAC | 6,000 | |||||||||
| 3.1 | The degree of protection | ||||||||||
| The degree of protection : IP00 | |||||||||||
| 4. Electrical Characteristics | |||||||||||
| No. | Item | Criteria | Test Method | ||||||||
| 4.1 | Contact Resistance | 50mΩ max. | Measured by a voltage drop method at 1A Max, 5VDC. Any equipment with error not more than 5% can be used. Resistance after test is the average of 5 successive measurements.（To measure after operated 5 to 10 times） | ||||||||
| 4.2 | Insulation Resistance | 100 MΩ min. | 100VDC voltage is applied between each pair of terminals and between the terminal and the metal frame for 60±5S. | ||||||||
| 4.3 | Dielectric Voltage | No dielectric breakdown shall occur. | 500VAC (50~60Hz,cut –off current 10mA) is applied between non-connected terminals and 1500VAC between terminals and the metal frame for 60 ±5s. | ||||||||
| 5. Mechanical Characteristics | |||||||||||
| No. | Item | Criteria | Test Method | ||||||||
| 5.1 | Operating Force | 140±60gf | The Max. force of displacement of actuator from free position to operating position | ||||||||
| 5.2 | Free position | See product drawing | The position where the actuator lead the Displacements when its out of force or the force is not enough to drive the actuator. | ||||||||
| 5.3 | Operating Position | See product drawing | The distance from the end of operating component to the center of mount hole when switch is being transformed | ||||||||
| 5.4 | Terminal Strength | Shall be free from terminal looseness, damage and insulator breakage. The electrical performance requirements specified in section 4.3 shall be satisfied. | A static load of 5N shall be applied to the tip of terminal in a desired direction for 10 ± 1s. The test shall be done once per terminal. | ||||||||
| 6. Durability characteristics | |||||||||||
| No. | Item | Criteria | Test Method | ||||||||
| 6.1 | Mechanical Life | After test, Contact resistance: 500mΩ max. Insulation resistance:50MΩ min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance construction. Operating force: within ±30% initialization value. | 100,000 cycles of operation shall be performed continuously at a rate of 60 cycles per minute without load. | ||||||||
| 6.2 | Operating Life with Load | After test, Insulation resistance:10MΩ min. The electrical performance requirements specified in item 4.3 shall be satisfied. The switch shall be free from abnormalities in appearance construction. Operating force: within ±30% initialization value. | CQC(GB15092.1)/ENEC（EN61058-1）：50,000 cycles of oper a shall be performed continuously at a rate of 15 cycles per minute with load as follow: Refer to individual product drawing (Resistive Load) | ||||||||
| 7. Weather Proof Characteristics ： | |||||||||||
| 7.1 | Cold Proof | After test, Contact resistance: 500mΩMax.Insulation resistance:50MΩ Min. The Electrical performance requirements specified in item 4.3 shall be satisfied.The switch shall be free from abnormalities in appearance &construction. | After testing at 0 ± 2°C for 96 hours, the switch shall be allowed to stand under normal temperature and humidity conditions for 1 hour, and measurement shall be made within 1 hour after that. Water drops shall be eliminated. | ||||||||
| 7.2 | Hot Proof | After testing at 125± 2°C for 96 hours, the switch shall be allowed to stand under normal temperature and humidity conditions for 1 hour, and measurement shall be made within 1 hour after that. | |||||||||
| 7.3 | Moisture Resistance | After testing at 40± 2°C ,90~95% RH for 96 hours, the switch shall be allowed to stand under normal temperature and humidity conditions for 1 hour, and measurement shall be made within 1 hour after that. Water drops shall be eliminated. | |||||||||
| 7.4 | Temperature Cycling | After 4 cycles of following conditions, the switch can stay under normal temperature and humidity conditions for 2 hours, and measurement shall be made within 1 hour after that. Water drops shall be eliminated. | |||||||||
 | |||||||||||
| 8. Operating data diagram | |||||||||||
| OF :Operating Force OP : Operating Position TT :Total Travel RF :Release Force TTP: Total Travel Position TF :Total travel Force RP :Release Position FP : Free Position PT :Pre Travel OT :Over Travel DT : Differential Travel | |||||||||||
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Details
characteristic
parameter
| Place of Origin | Dongguan, Guangdong, China |
| Brand name | BAOKEZHEN |
| model | 7303-1B3AL-0P3 |
| Terminal type | 2.8 * 0.5 quick plug terminal |
| Operating element type | Mushroom head button |
| Contact form | Single pole double throw |
| Safety certification | UL,ENEC,CQC，SEMKO |
| Quality assurance system of the company | ISO9001和ISO14001 |
| application | Automobile, household appliances, toys, lighting equipment |
| Compact size and structure |
| 2.8 * 0.5 quick plug terminal, other types of terminals are available, see the selection guide for details |
| Mushroom head button |
| Rating | ENEC、KEMA、SEMKO | 3(3)A 250VAC T125 μ 5E4 |
| CQC | 3(3)A 250VAC T125 μ 5E4 | |
| UL，cUL | 6A 250VAC 10.1A 125VAC 6,000 | |
| Operating frequency | electrical | 15cycles/minute |
| Mechanics | 100cycles/minute | |
| Initial contact resistance | 50mΩ Max | |
| insulation resistance (at 500VDC) | 100M Ω Min | |
| Dielectric strength | AC 500V (50~60Hz) | |
| Storage temperature | -25°C~+120°C | |
| Storage humidity | 85%RH Max | |
| life | electrical | UL、CUL: 6,000Cycles |
| ENEC、KEMA、SEMKO: 50,000Cycles | ||
| CQC: 50,000Cycles | ||
| Mechanics | 100,000cycles | |
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