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T400N Elite Hotswitch
Temperature Monitor for Bucket Elevators and Conveyors

The T400N Elite Hotswitch is a microprocessor controlled temperature monitor, which works in conjunction with NTC type bearing & surface temperature sensors to monitor up to 8 inputs. The unit can provide an alarm and automatic shutdown, on up to 2 machines, when a high (hot) bearing or surface temperature condition is detected.

Alarm and status LEDs on the lid of the T400N provide quick location of alarm conditions. Alarm muting can be performed at the panel or by an optional remote push button to silence external alarms. If the system is muted, it will automatically reactivate when a new alarm is triggered. Testing can also be activated at the panel, providing full system verification.

Features:

T400N Elite Hotswitch Temperature Monitor

• Bearing & Surface Temperature Monitor

• Monitors up to 8 NTC Type Temperature Sensors

• 2 Separate Alarm & 2 Separate Stop Relays

• Status LEDs Show Location of Sensor Alarm

• Short / Open Circuit Fail-Safe Detection

• Test Feature for Simple System Testing

Product Questions? (309) 698-5611

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Specifications
Downloads
Sensors & Accessories
FAQ's
Images
Videos
Monitoring Design Service


	T400N 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 - 8 NTC Thermistors Maximum		• Product Manual
	• Sensor Supply - 24 VDC (100 mA Maximum)
	• LED Indicators - Power, Zone (1 - 8) and Alarm		Product Dimensions:
	• Push Buttons - Alarm Mute and Test		• .dwg (AutoCAD) .pdf

	Approvals:		Compare Monitoring Systems
	• 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:
	• T4004NV46C ~ T400N Elite - Hotswitch (CSA - Class II, Div. 2)
	• T4004NV4C ~ T400N Elite - Hotswitch (CSA - Class II, Div. 1)
	• PS3800V4 ~ Class 2 Power Supply (24 VDC / 3.8 A)
	• ADB20V3C/D2 ~ Adjustable Depth Bearing (ADB) Temp. Sensor - 2in. Probe
	• ADB20V3C/D3 ~ ADB Bearing Temperature Sensor - 3 in. Probe
	• ADB20V3C ~ ADB Bearing Temperature Sensor - 4 in. Probe
	• ADB20V3C/D6 ~ ADB Bearing Temperature Sensor - 6 in. Probe
	• ADB20V3C/D8 ~ ADB Bearing Temperature Sensor - 8 in. Probe
	• ADBT1 ~ Adjustable Depth Bearing Temperature Sensor Tester
	• WDB70V3C ~ Lug Style Surface Temperature Sensor
	• WDB20V3C ~ Bearing Temperature Sensor (Non-Adjustable Probe)
	~ NOTE: Not All NTC Type Temperature Sensors Listed ~


	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.


	To See Illustrated Sensor Placement Diagrams For Specific Equipment, CLICK HERE

			Bearing Temperature Sensor The ADB series have been designed to allow the depth of the sensor to be adjustable. They screw directly into a bearing housing through the existing grease zerk thread. Each sensor is fitted with a grease zerk to allow lubrication of the bearing without the need for removal of the sensor. More Info









			ADB Bearing Sensor Tester The ADB Sensor Tester has been designed to test 4B adjustable depth bearing (ADB) temperature sensors in the field. During planned maintenance or periodic testing, this diagnostic tool to verify the alarm and shutdown sequences of the control unit are functioning as expected. More Info








			Surface Temperature Sensor The WDB7 bolts directly onto a bearing housing, motor, gearbox, or machine casing for continuous temperature 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.









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	Hot Bearing on Belt Conveyor	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.

Material Handling

Electronics

T400N Elite Hotswitch
Temperature Monitor for Bucket Elevators and Conveyors

Features:

• Bearing & Surface Temperature Monitor

• Monitors up to 8 NTC Type Temperature Sensors

• 2 Separate Alarm & 2 Separate Stop Relays

• Status LEDs Show Location of Sensor Alarm

• Short / Open Circuit Fail-Safe Detection

• Test Feature for Simple System Testing

Material Handling

Electronics

T400N Elite Hotswitch Temperature Monitor for Bucket Elevators and Conveyors

Features:

• Bearing & Surface Temperature Monitor

• Monitors up to 8 NTC Type Temperature Sensors

• 2 Separate Alarm & 2 Separate Stop Relays

• Status LEDs Show Location of Sensor Alarm

• Short / Open Circuit Fail-Safe Detection

• Test Feature for Simple System Testing

T400N Elite Hotswitch
Temperature Monitor for Bucket Elevators and Conveyors