M1 20 Series Compression Latch 70 Medium * Cast 316 stainless steel * Lift & turn * Adjustable grip * Consistent pre-set compression * Easy grip adjustment * Flush round hole install Long cam Straight cam Offset cam reversed Deep offset cam reversed (see table) 70 (2.72) 61.5 (2.41) Gasket 56.6 (2.23) Material and Finish 4 (.16) Cast 316 grade stainless steel Performance Details Mounting bracket Non-locking Locking Long cam Max. static load: 350 N (78 lbf) 3.5 (.14) 30 (1.18) Sealing Notes Door thickness 61.5 (2.42) (see part number selection) Frame NEMA 4/IP-66 sealing is achieved by using supplied flange gasket Lock style 8 Part number: M1-546 Jam nuts M5 Screws(2) Short cam Max. static load: 460 N (103 lbf) Keys Compression Handle up Optional cut out 270.5 (1.060.02) 14.5 0.5 (.570.02) Door Short cam 481.5 (1.880.06) Long cam 601.5 (2.380.06) ACTUAL SIZE Lock style 9 Max. R 3.2 (.13) Optional panel prep Part number: M1-525-39-S008 Part Number Selection See page 151 for complimentary styled push to close version L 3 8 9 O 50.8 0.5 (2.000.02) G Grip Range Lock style Non-locking Locking (2 keys supplied) Key-locking keyed alike S008 (2 overmolded keys supplied) Short cam 5 M1 - 20 - L D - G 8 21 - 28 (.83 - 1.10) Deep offset forward 4 27 - 40 (1.06 - 1.57) Offset forward 3 39 - 52 (2.01 - 2.52) Straight 4 51 - 64 (2.01 - 2.52) Offset reversed 5 63 - 76 (2.48 - 3.00) Deep offset reversed Long cam 8 21 - 28 (.83 - 1.10) Deep offset forward D Door Thickness Grip Adjustment Value 7 27 - 40 (1.06 - 1.57) Offset forward 1 2 - 12 (.075 - .475) 19 (.75) 6 39 - 52 (2.01 - 2.52) Straight 2 12 - 22.5 (.475 - .885) 9 (.35) 7 51 - 64 (2.01 - 2.52) Offset reversed 3 18.5 - 29 (.73 - 1.14) 2.5 (.10) 8 63 - 76 (2.48 - 3.00) Deep offset reversed Note All grips of 35 (1.38) or below, highlighted in , in the table above, are potentially a function of door thickness and may not always be achievable, depending on actual door thickness used. In this range of grips, the minimum achievable grip will be limited to actual door thickness + grip adjustment value, or the minimum values shown in the table, whichever is greater. Examples: For a door thickness of 4 mm, the minimum achievable grip is 23 and is achieved with a deep offset cam in the forward position. (4 + 19 = 23) For a door thickness of 20 mm, the minimum achievable grip is 29 and is achieved with an offset cam in the forward position. (20 + 9 = 29) www.southco.com/M1A Dimensions in millimeters (inch) unless otherwise stated M1 25 Series Compression Latch 71 Large * Cast 316 stainless steel * Lift & turn * Adjustable grip Long cam Straight cam Offset cam reversed Deep offset cam reversed (see table) 76 (3.0) 89 (3.5) Gasket 49.5 (1.95) Material and Finish Stainless steel cast 316 grade 5 (.2) Compression Handle up Jam nuts M5 screws(2) Mounting bracket Non-locking Locking * Consistent pre-set compression * Easy grip adjustment 3.5 (.14) 37 (1.46) Door thickness 71 (2.80) (see part number selection) Optional cut out 30.60.5 (1.200.02) 160.5 (.630.02) Door Short Cam 401.5 (1.570.06) Long Cam 755 (2.950.2) Short cam Max. static load: 1010 N (227 lbf) Long cam Max. static load: 350 N (78 lbf) Sealing Notes NEMA 4/IP-66 sealing is achieved by using supplied flange gasket Frame ACTUAL SIZE Performance Details Keys Lock style 8 Part number: M1-546 Lock style 9 Part number: M1-525-39-S008 Max. R 3.2 (.13) Optional panel prep L 3 8 9 O 63.50.5 (2.500.02) See page 152 for complimentary styled push to close version G Grip Range Lock style Non-locking Locking (2 keys supplied) Key-locking keyed alike S008 (2 overmolded keys supplied) Short cam M1 - 25 - L D - G 8 Part Number Selection 5 23.5 - 35 (.92 - 1.38) Deep offset forward 4 34 - 48 (1.34 - 1.89) Offset forward 3 47 - 61 (1.85 - 2.40) Straight 4 60 - 75 (2.36 - 2.95) Offset reversed 5 74 - 88 (2.91 - 3.47) Deep offset reversed Long cam 8 23.5 - 35 (.92 - 1.38) Deep offset forward D Door Thickness Grip Adjustment Value 7 34 - 48 (1.34 - 1.89) Offset forward 1 2 - 12 (.075 - .475) 21.5 (.85) 6 47 - 61 (1.85 - 2.40) Straight 2 12 - 22.5 (.475 - .885) 11.5 (.45) 7 60 - 75 (2.36 - 2.95) Offset reversed 3 18.5 - 29 (.73 - 1.14) 4 (.12) 8 74 - 88 (2.91 - 3.47) Deep offset reversed Note All grips of 33.5 (1.32) or below, highlighted in , in the table above, are potentially a function of door thickness and may not always be achievable, depending on actual door thickness used. In this range of grips, the minimum achievable grip will be limited to actual door thickness + grip adjustment value, or the minimum values shown in the table, whichever is greater. Examples: For a door thickness of 4 mm, the minimum achievable grip is 25.5 and is achieved with a deep offset cam in the forward position. (4 + 21.5 = 25.5) For a door thickness of 20 mm, the minimum achievable grip is 31.5 and is achieved with a deep offset cam in the forward position. (20 + 11.5 = 31.5) Dimensions in millimeters (inch) unless otherwise stated www.southco.com/M1A