Magnetic proximity sensors, MM18 Namur Sick MM18-70A-N-ZC0 (7900289)

Magnetic proximity sensors
Magnetic proximity sensors, MM18 Namur   Model Name MM18-70A-N-ZC0 Part No. 7900289   Самое главное Detection of magnets in explosive areas Operating distances up to 70 mm or more based on the magnet strength NAMUR as per EN 60 947-5-6 High switching frequency Rugged nickel-plated brass housing with fine thread M18 x 1 mm IP 67 enclosure rating EC-type test certificate Ex II 2G EEx ib IIC T6 TUV 99 ATEX 1398 Cylindrical design Преимущества NAMUR design ensures safe operation in highly explosive areas Non-contact operation ensures resistance to dirt, dust and vibration, increasing sensor life and reducing maintenance costs Large operating distances ensure reliable switching, even with target position tolerances Non-contact, universal detection through several substances, including plastic containers and pipes and protective PTFE walls

Features
	Sensing range Sn:	5 mm ... 70 mm 1)
	Switching frequency:	5,000 Hz
	Connection type:	Connector M12, 4-pin
	Switching output:	NAMUR
	Electrical wiring:	NAMUR
	Enclosure rating:	IP 67 2)
	Design:	Cylindrical
	Output function:	Control courrent depending on switching state according to NAMUR EN 60947-5-6

1) Sensing range based on installation in non-magnetic material using Magnet MAG-3010-B (M4.0)  2) According to EN60529

Mechanics/electronics
	Housing length:	65 mm
	Supply voltage:	5 V DC ... 25 V DC
	Residual ripple:	≤- 5 % 1)
	Hysteresis:	1 % ... 10 %
	Repeatability:	≤- 1 % 2)
	Temperature drift (% of Sr):	± 10 %
	EMC:	According to EN 60947-5-2
	Tightening torque, max.:	≤- 25 Nm
	Reverse polarity protection:	Yes
	Short-circuit protection:	Yes
	Housing material:	Metal, Nickel-plated brass
	Time delay before availability:	≤- 2 ms
	Ambient operating temperature:	-25 °C ... 75 °C
	Shock/vibration:	30 g, 11 ms/10 ... 55 Hz, 1 mm
	Power consumption, attenuated:	≥- 2.5 mA
	Power consumption, unattenuated:	≤- 1 mA
	Cable resistance:	≤- 50 Ω-
	EC Approval Certificate:	TUV 99 ATEX 1398
	ATEX marking:	EX II 2G Ex ia IIC T6 Ta: -20 °C ... 70 °C
	Hazardous area category:	2G
	Input voltage Ui max.:	16 V 3)
	Input power Pi max.:	100 mW 4)
	Input current Ii max.:	30 mA 5)
	Internal capacitance Ci max.:	15 nF 6)
	Internal inductance Li max.:	35 µH 7)
	Nominal voltage:	8.2 V DC
	Wire-break protection:	1
	Items supplied:	Fastening nuts (2 x)

1) Of VS  2) Von Sr (VS und Ta constant)  3) 4) 5) 6) 7) For connection to a sperately certified intrinsically safe circuit only

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