The 3130SE, 4040SE, and the 4040SEH use the same length track. The 4040SEL track is longer.
The SE/SEH (-3038) track is 22-3/4" long. It functions as a single point hold open, and can be set to hold at one position between 85 and 110°, adjustable in 3° increments. PLEASE NOTE: The 3130SE and 4040SE track are the same track assembly because they are supplied with same SE track roller/slide (roller with 1/8" shoulder) while the SEH track assembly is supplied with a roller/slide where the roller has a ¼" shoulder.
The SEL track is 25 3/4" long.
The 4040SEL (-3038SEL) track is 25-3/4" long. It functions as a single point hold open, and can be set to hold at one position between 90 and 120°, adjustable in 3° increments.
The track part # will be the closer model followed by a -3038(SEL). When ordering you must also specify voltage (available in 24v or 120v) and finish. ( examples: 4040SE-3038 x 24V x AL or 4040SEL-3038SEL x 24v x AL)
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