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Speed Relay

The SR series speed relay is used to monitor the speed of a rotating shaft and detect if it rises or falls below a preset safety level.

The DIN rail mounted speed relay can be used with any Rotech encoder, and with 4B’s WDA or P800 proximity sensors. A user adjustable underspeed relay contact output can sound an alarm or shutdown machinery when the shaft speed falls below the preset level.

Features:

• Speed Ranges - 0 to 10, 100 & 1,000 RPM

• Single Output Relay - Single Pole Changeover

• LED Power and Status Indication

• Dual Power Supply - 110 / 240 VAC

• Selectable 10 Second Start Delay (SR1 Only)

• Opto-Isolated Input Signal Repeat Output (SR1 Only)

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Specifications
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FAQ's
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	Speed Relay Technical Specifications:		Literature:
	• Power Supply - 110 / 240 VAC		• Product Datasheet
	• Mounting - DIN 35 x 7.5 mm Rail		• Full Line Product Catalog
	• Protection - IP50		(See Downloads for more literature)

	Approvals:		Technical:
			• Product Manual SR1 Series
			• Product Manual SR2 Series

			Product Dimensions:
			-- SR1 Series
	Part Numbers and Accessories:		• .dwg (AutoCAD) .pdf
	• SR1V5-1 ~ Speed Relay (1 PPR)
	• SR1V5-4 ~ Speed Relay (4 PPR)		-- SR2 Series
	• SR1V5-10 ~ Speed Relay (10 PPR)		• .dwg (AutoCAD) .pdf
	• SR1V5-360/100 ~ Speed Relay (360 PPR)
	• SR2V5-1 ~ Speed Relay (1 PPR)
	• SR2V5-4 ~ Speed Relay (4 PPR)
	• SR2V5-10 ~ Speed Relay (10 PPR)

	4B Compatible Sensors:
	• Rotech Encoder - Aluminum
	• Rotech Encoder - Stainless Steel
	• Rotech Encoder - Polypropylene
	• WDA Sensor
	• P800 ProxSwitch


	Literature:		Product Dimensions:
	• Product Datasheet		-- SR1 Series
	• Full Line Product Catalog		• .dwg (AutoCAD) .pdf

	Technical:		-- SR2 Series
	• Product Manual SR1Series		• .dwg (AutoCAD) .pdf
	• Product Manual SR2 Series

	Note: Product manuals for older part numbers can be
	found under the Technical Support area.


			Rotech Rotary Shaft Encoder - Stainless Steel The 4B heavy duty stainless steel Rotech rotary shaft encoder is used primarily for protecting equipment and personnel from dangerous underspeed/belt slip conditions in extreme environments. Other applications include accurate speed control, direction of rotation detection, gate position indication and counting the number of revolutions of the shaft. See Rotech Encoder - Stainless










			Rotech Rotary Shaft Encoder - Aluminum The 4B heavy duty aluminum steel Rotech rotary shaft encoder is used primarily for protecting equipment and personnel from dangerous underspeed/belt slip conditions in extreme environments. Other applications include accurate speed control, direction of rotation detection, gate position indication and counting the number of revolutions of the shaft. See Rotech Encoder - Aluminum










			Rotech Rotary Shaft Encoder - Polypropylene The polypropylene Rotech rotary shaft encoder is used primarily for protecting equipment and personnel from dangerous underspeed/belt slip conditions. Other applications include accurate speed control, direction of rotation detection, gate position indication and counting the number of revolutions of the shaft. See Rotech Encoder - Poly









			WDA Sensor Non-contacting extended range magnetic proximity sensor, not affected by dust or material build up, used to detect moving ferrous material up to 4 inches away from the sensor. See WDA Sensor









			P800 Proxswitch The P800 ProxSwitch is a limit switch style inductive proximity sensor designed to detect shaft speed, shaft position, gate position, or object presence. See P800 Proxswitch