Temperature Sensor/Switch Burkert 8400

8400 Temperature Sensor/Switch for
Easy ON/OFF Control


	• ON / OFF Control System for Switching Applications • Programmable ON / OFF Control System for easy Fluid Control Systems • Complete Communication thanks to external Setpoint Link or AS-Interface

	8400 Technical Information (PDF file)

Process Specification
Pipe Diameter	any pipe with sensor connection (see fitting ordering chart)
Measuring range	-40°F...+257°F (with ambient temperature 0...140°F)
	104°F...+194°F (with ambient temperature above 104°F)
Switching accuracy	±0.09°F (0...176°F)
	±2.7°F (outside of 0...176°F)
Repeatability	0.4%
Fitting	1/2" NPT
Housing material	PC+20% glass fiber
Front panel foil	Polyester
Sensor element	Pt100
Wetted parts	SS, FPM (Viton) standard (EPDM option)
Electrical Specification
Voltage Supply	12...30 VDC
Reversed polarity of DC	protected
Transistor output	NPN and PNP, open collector 5...30 VDC, 700 mA
or Relay output	3A/250 VAC or 3A/30 VDC; programmable
Input external Setpoint	4...20 mA
AS-Interface	Field bus
Current consumption	max. 80 mA (no Load)
Short circuit protection	yes
Recommended max.	328 ft. shielded, section 0.14...0.5 mm2
cable length for voltage supply
Electrical Connections
EasyOn	on request cable plug 2511
Cable Plug	DIN 43650A
Multipin	5 pin, M12
ASI Connection	on request
Environmental Specifications
Fluid temperature max.	+257F
Ambient temperature max.	0...+140F
Fluid pressure max	230 PSI (PN 16)
Type of Protection	NEMA 4 (IP65) with connector plugged in
Standards (EMI)	EN 50081-1, 50082-2, 61010-2


View Catalog Page 1	View Catalog Page 2	Dimensions

Electrical connection - NPN/PNP	Burkert EasyLink System	Electrical connection - Relay

ORDERING CHART
Code	Name
BU 434877L	Burkert 434877L Temperature Sensor/Switch, 12-30 VDC, NPN Out, Cable Plug Conn.
BU434878V	Burkert 434878V Temperature Sensor/Switch, 12-30 VDC, PNP Out, Cable Plug Conn.
BU436507L	Burkert 436507L Temperature Sensor/Switch, 12-30 VDC, NPN and PNP Out, M12 plug 5 pin
BU436509N	Burkert 436509NTemperature Sensor/Switch, 12-30 VDC Supply, Relay Out, 5 pin and DIN plug

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