Emergency Stop Switches Specifications

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Emergency Stop Switches Specifications

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Actuation


	Actuation Type
	Your choices are...
	Pushbutton		An operator uses the pushbutton to activate the contacts. Typically these are large pushbuttons and are appropriately labeled as emergency stop switches.
	Telescopic Antenna		Movement of the antenna in any direction will actuate the switch contacts and, by use of the appropriate equipment, stop the machine.
	Trip Wire (Rope Pull)		Emergency stop cable-pull systems can be actuated at any point along the “trip wire.” Some trip wire devices are designed to operate if the cable breaks or goes slack.
	Trip Wire / Pushbutton Combination		Combination of trip wire and pushbutton design. Typically they incorporate both a trip wire for actuation along any point of the cable and a pushbutton for emergency stopping at the end of the installation.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Minimum Operating Force (Trip Force)		The minimum force required to initiate switching.
	Search Logic:		All matching products will have a value less than or equal to the specified value.

	Trip Wire (Rope Pull) Features		For Trip Wire (Rope Pull) Actuation Only.
	Your choices are...
	Right Angle Pull		The trip wire must be actuated at a right angle from the switch body.
	Top Pull		The trip wire must be actuated from the top of the switch body.
	Broken Cable Detection		Broken cable, or slack, detection indicates when cable tension decreases from the pre-set tension.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

	Maximum Operating Distance (Rope Span):		Typical cable span.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

Switch Specifications


	Normally Open Contacts		Normally Open - A relay contact pair that is open when the coil is not energized.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Normally Closed Contacts		Normally Closed - A relay contact pair that is closed when the coil is not energized.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Changeover Contacts		Changeover, Typically Form C (SPDT).
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Positive Break Contacts		Also called Positive Opening Contacts; The contact point opens reliably and remains open in activated position even in the event of mechanical failure, such as breakage of a spring or contact welding.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

Electrical Switching Specifications


	Electrical Switching		Used to isolate a machine's electrical power.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Maximum Current Rating		The maximum current rating of the switch.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Maximum AC Voltage Rating		The maximum AC voltage rating of the switch.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

	Maximum DC Voltage Rating		The maximum DC voltage rating of the switch.
	Search Logic:		All matching products will have a value greater than or equal to the specified value.

Pneumatic Switching Specifications


	Pneumatic Switching		Used to isolate a machine's compressed air supply instead of electrical power.
	Search Logic:		"Required" and "Must Not Have" criteria limit returned matches as specified. Products with optional attributes will be returned for either choice.

	Pressure Range		The pressure range of the pneumatic switch.
	Search Logic:		User may specify either, both, or neither of the "At Least" and "No More Than" values. Products returned as matches will meet all specified criteria.

Reset / Release Operation


	Reset / Release Operation		There are four types of reset (latching release) mechanisms.
	Your choices are...
	Automatic		No reset action required (momentary). Reset / Release should never be used to restart the machine.
	Pull to Reset		The button or cable must be pulled to reset the switch and resume operation.
	Twist to Reset		The button or cable must be twisted to reset the switch and resume operation.
	Pushbutton		There is a reset pushbutton, which must be actuated to reset the emergency stop switch and resume operation.
	Key Switch		The operator must use a key in order to reset the switch and resume operation.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Features



	Your choices are...
	Emergency Stop Label		The emergency stop switch is clearly labeled as such.
	Explosion Proof		Emergency stop switches are rated as explosion proof if they are constructed with housings that can withstand explosions. This classification may also include housings, which can withstand sparking and flames.
	Hermetically Sealed		Hermetic seals provide a vacuum or leak tight seal such as a brazed glass-to-metal seal.
	Illuminated Pushbutton		The pushbutton is illuminated for visibility in low light situations.
	Integral Alarm		An integral audio or visible alarm is provided with the emergency stop switch.
	Lockable		Switch includes provision for locking in specified positions.
	Tamper Resistant		The switch is provided with tamper proof measures to ensure it can only be altered by the appropriate personnel.
	Visual Indicator		The emergency stop switch is supplied with a visual indication of operation, such as an LED to indicate power.
	Search Logic:		All products with ANY of the selected attributes will be returned as matches. Leaving all boxes unchecked will not limit the search criteria for this question; products with all attribute options will be returned as matches.

Environment


	Operating Temperature:		The temperature range over which the device must operate.
	Search Logic:		User may specify either, both, or neither of the limits in a "From - To" range; when both are specified, matching products will cover entire range. Products returned as matches will meet all specified criteria.

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