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B400 Elite Beltswitch
Belt Alignment Monitor for Bucket Elevators & Conveyors

The B400 Elite Beltswitch belt misalignment monitor uses 4B Touchswitch sensors to monitor belt alignment in bucket elevators and conveyors. Each control unit incorporates two independent monitoring circuits for early detection of belt misalignment on one or two bucket elevators / conveyors.

The 4B Touchswitch is an electro-mechanical limit switch with no moving parts. When a belt misaligns or a pulley moves over and contacts the sensor, the built in solid-state electronic circuitry detects the lateral force of the belt or pulley and activates a voltage free relay contact.

Status LEDs on the control unit indicate the alignment condition of the belt, while internal relay contacts provide alarm and automatic shutdown of the elevator when hazardous misalignment conditions are detected.

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	B400 Elite Technical Specifications:		Literature:
	• Power Supply - 120 to 240 VAC or 24 VDC		• Product Datasheet
	• Alarm Relay Contacts - Zone 1: 1 Pole Normally Open (8A @ 250 VAC)		• Full Line Product Catalog
	Zone 2: 1 Pole Normally Open (8A @ 250 VAC)		(See Downloads for more literature)
	• Stop Relay Contacts - Zone 1: 1 Pole Normally Open (8A @ 250 VAC)
	Zone 2: 1 Pole Normally Open (8A @ 250 VAC)		Technical:
	• Sensor Inputs - 4 Touchswitch Misalignment Sensors		• Product Manual
	• Sensor Supply - 24 VDC (B400 Internal Power Supply)
	• LED Indicators - Power, Sensor Target Detection, Alarm & Stop Indication		Product Dimensions:
	• Push Button Unit Testing		• .dwg (AutoCAD) .pdf
	• IP66
			Compare Monitoring Systems
	Approvals:
	• CSA Class II Div 2 Groups F & G
	• CSA Class II Div 1 Available (Class 2 Power Supply Required)
	• ATEX, IECEx and CE Versions Available






	Part Numbers and Accessories:
	• B4004V46C ~ B400 Elite
	• PS3800V4 ~ Class 2 Power Supply (24 VDC / 3.8 A)
	• TS2V4C ~ Touchswitch Misalignment Sensor


	Literature:		Product Dimensions:
	• Product Datasheet		• .dwg (AutoCAD) .pdf
	• Full Line Product Catalog
			Articles, Papers & Case Studies:
	Technical Manuals & Documentation:		• Hazard Monitoring Overview - GEAPS Paper
	• Product Manual		• Monitoring Equipment (Grain Journal Series)
	• RS485 Wiring Guide		• Bucket Elevator Monitoring Systems
			• Combustible Dust Standards (Grain Journal Series)
	Note: Product manuals for older part numbers can be		• Slack / Broken Chain Detection
	found under the Technical Support area.


			Belt Misalignment Sensor The Touchswitch™ is an electromechanical limit-switch with no moving parts, which detects tracking and misalignment problems on bucket elevators and conveyors. Unlike a rub block that utilizes friction (heat) to activate, the Touchswitch is pressure sensitive for safer and more reliable monitoring. More Info


	Does 4B offer inspection, testing and commissioning services for your hazard monitoring systems?
	Yes, the 4B Tech Team is available for on site services. For more information, CLICK HERE.














	Belt Misalignment on a Bucket Elevator	CSB Video - Action To Prevent Dust Explosions
	(Belt Has Rubbed Through Metal Casing)













	Westwego Grain Elevator Disaster	CSB Video - What Led to the Imperial Sugar Explosion


	Preventative maintenance can help reduce the risk of equipment failure and consequent downtime. When it comes to
	monitoring your bucket elevators and conveyors, 4B can recommend the ideal combination of sensors and monitoring
	systems to suit your requirements and budget.

	4B has an extensive range of CSA / ATEX / IECEx approved hazard monitoring systems, misalignment switches,
	bearing temperature monitors and level controls. 4B can offer you anything from a replacement sensor, to a fully
	integrated hazard monitoring system which can be operated as a stand-alone device or connected to your PLC.

	And if you do not want to install hazard monitoring sensors on every piece of equipment in your plant straightaway, 4B
	can offer you a scalable solution that can be expanded as your needs grow.

	To get a free recommendation from our engineers, CLICK HERE to fill out our online form.