Metric Size, Steel
Toggle Latches
with Adjustable Grip

GN 821

RoHS Compliant

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Specification
Toggle latch assembly: Zinc-plated steel, blue passivated
All mobile sections lubricated with a special grease
The catch bracket is part of the latch assembly
Available in:
Type A--without safety catch
Type S--with safety catch
Type SV--with padlock
Type SS--with key lock
Each type above available in both Type 1, long version
and Type 2, short version

Information
GN 821 toggle latches are used for the secure holding of flaps, container lids, etc. They lock securely over the center and are thus vibration proof. A versatile, low profile design.
The stroke w1 of the latch hook can pull the parts to be clamped together by up to 6 mm. The range w2 can be adjusted on the M 6 threaded spindle of the latch hook.
The load specified in the table is simply a guideline value for the nominal static pulling force the latch can withstand. The holding capacity can be adversely affected by the conditions under which the latch is used, such as vibration or shock loads.
Long version: Toggle latch mounting plate holes exposed when latch is in closed position.
Short version: Toggle latch mounting plate is flipped 180° and mounting holes are hidden under latch in closed position.
For stainless steel version see GN 821.
See also General Information on Toggle Clamps.
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 Type A - Without Safety Catch

Dimensions in:

millimeters
(inches)

Part Number
Size Ref.
Holding Capacity
FH[N]
b1
b2
b3
b4
d
h1
h2
l1 min
Type 1
Long
Type 2
Short
400
4000
46.5
(1.83)
45
(1.77)
38
(1.50)
28
(1.10)
6.3
(.25)
22
(.87)
12
(.47)
144
(5.67)

Size Ref.
l2 min
(long)
l3
l4 min.
(short)
m1
m2
m3
r
w1~
Stroke
w2 Adjustment Range
400
120.5
(4.74)
32
(1.26)
83.5
(3.29)
20
(.79)
12
(.47)
11.5
(.45)
107.5
(4.23)
6.5
(.26)
18
(.71)
       
 Type S - With Safety Catch

Dimensions in:

millimeters
(inches)

Part Number
Size Ref.
Holding Capacity
FH[N]
b1
b2
b3
b4
d
h1
h2
h3
l1 min
Type 1
Long
Type 2
Short
400
4000
46.5
(1.83)
45
(1.77)
38
(1.50)
28
(1.10)
6.3
(.25)
22
(.87)
12
(.47)
28.5
(1.12)
144
(5.67)

Size Ref.
l2 min
(long)
l3
l4 min.
(short)
m1
m2
m3
r
w1~
Stroke
w2 Adjustment Range
400
120.5
(4.74)
32
(1.26)
83.5
(3.29)
20
(.79)
12
(.47)
11.5
(.45)
107.5
(4.23)
6.5
(.26)
18
(.71)
       
 Type SV - With Padlock

Dimensions in:

millimeters
(inches)

Part Number
Size Ref.
Holding Capacity
FH[N]
b1
b2
b3
b4
d
h1
h2
h4
l1 min
Type 1
Long
Type 2
Short
400
4000
46.5
(1.83)
45
(1.77)
38
(1.50)
28
(1.10)
6.3
(.25)
22
(.87)
12
(.47)
32.5
(1.28)
144
(5.67)

Size Ref.
l2 min
(long)
l3
l4 min.
(short)
m1
m2
m3
r
w1~
Stroke
w2 Adjustment Range
400
120.5
(4.74)
32
(1.26)
83.5
(3.29)
20
(.79)
12
(.47)
11.5
(.45)
107.5
(4.23)
6.5
(.26)
18
(.71)
       
 Type SS - With Key Lock

Dimensions in:

millimeters
(inches)

Part Number
Size Ref.
Holding Capacity
FH[N]
b1
b2
b3
b4
d
h1
h2
l1 min
Type 1
Long
Type 2
Short
400
4000
46.5
(1.83)
45
(1.77)
38
(1.50)
28
(1.10)
6.3
(.25)
22
(.87)
12
(.47)
144
(5.67)

Size Ref.
l2 min
(long)
l3
l4 min.
(short)
m1
m2
m3
r
w1~
Stroke
w2 Adjustment Range
400
120.5
(4.74)
32
(1.26)
83.5
(3.29)
20
(.79)
12
(.47)
11.5
(.45)
107.5
(4.23)
6.5
(.26)
18
(.71)