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Help CenterM30 LM40-3020PA Unshielded PNP NO Contact Detection Distance 20mm ABS General Cylindrical Inductive Proximity Switch Sensor
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M30 LM40-3020PA Unshielded PNP NO contact Detection Distance 20mm ABS General Cylindrical Inductive Proximity Switch Sensor
Proximity switch also called proximity sensors . Sensor can devided into inductive type , capacitive type , simulative type , hall type, magnetic type . Sensor can support using of PLC programmable controller ,SMC , Sr circuit ,Electronic counters, Solid-state relay ,Small relays and other products .
Capacitive proximity switch are composed by High frequency concussion and amplification. Sensor detection surface and between the earth from a capacitor participate Oscillation circuit work , starting at the stop vibration state . When the object near the surface , the Circuit capacity changes , is the Oscillation of high-frequency oscillator . The two states of Oscillator-Oscillations and stopping vibration , Converted to electrical signals through the shaping amplifier switch into binary signals .
Simulative sensor (also known as the linear displacement sensor ),when the metal object close to the detection surface . With the change of the distance , then output the signal which have linear relationship changes with the distance ,So as to achieve the purpose of monitoring .
Hall sensor is kind of proximity sensor which inside with Hall IC.Using Hall effection convert magnetic signal on or off into switch capacity . Widely used in signal detection , automatic control and safety protection .
Magnetic sensor are composed by reed tube and amplification. When the external magnetic field near the magnetic reed sensor to force the action , and then amplified by the amplifier , increasing the switching capacity , in order to realize the on-off control of external circuits .
| Model | replace model | ||||
| Detection Distance 20mm | |||||
| Unshielded | DC | NPN | NO | SC-3020A | LM40-3020NA |
| NC | SC-3020B | LM40-3020NB | |||
| NO+NC | SC-3020AB | LM40-3020NC | |||
| PNP | NO | SC-3020C | LM40-3020PA | ||
| NC | SC-3020D | LM40-3020PB | |||
| NO+NC | SC-3020CD | LM40-3020PC | |||
| Two-wire | NO | SC-3020AL | LM40-3020LA | ||
| NC | SC-3020BL | LM40-3020LB | |||
| AC | SCR | NO | SC-2020A | LM40-2020A | |
| (controlled silicon ) | NC | SC-2020B | LM40-2020B | ||
| NO+NC | SC-2020AB | LM40-2020C | |||
| relay output | |||||
| output current | DC | 200mA | |||
| SCR/relay | 300mA/1A | ||||
| Voltage output | DC(NPN,PNP)type < 3V ,two-wire:<3.9V,AC 10V | ||||
| Current Consumption | DC(NPN,PNP)type DC 12V 8mA,24V 15mA,AC 10mA | ||||
| Standard Detection Object | 54×54×1(A3 Iron) | ||||
| Response Frequency | 200Hz/25Hz | ||||
| Ambient Temperature | Temp range -25-+75°C | ||||
| Insulation Resistance | 50MΩ | ||||
| Material | ABS | ||||
| Protection Grade | IP67 | ||||
Q:How to order our product ?
A:1).Please tell us the model and quantity and other request you need.
2).We make the PI for you.
3).After you confirm the PI, we arrange the order for you after receiving your payment.
4).After the goods finished, we send the goods out to you and tell you the tracking number.
5).We will track your goods until you receive the goods.
Q: What's your warranty ?
A: One years
Q: What's your contact information:
A: Our address: Liushi town, Zhejiang province, China. Sky-pe: benjaminying
Q: What's your shipment method?
A: We ship by Express, by air, by sea, by train. Normally we checked and compare, then provide customer the most proper shipment method.
Q: What's about MOQ?
A: First order MOQ=1pcs
Q: If i want to release order, what's the payment method you accept ?
A: We accept T/T, Paypal, Western union, L/C.
Q: If i want to release order, what's the process?
A: Thanks. You can send inquiry to us by alibaba, or send us by email, we will reply within 24hrs.
Thank you & Now pls send your kindly inquiry ! ^!^
YUEQING YUMO ELECTRIC CO.,LTD
TEL:0086-577-62791815 Mobile:0086-13757779011
Sky-pe:benjaminying TradeManager:yncync
How to contact us:
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