Instantaneous safety gear M-253

• Safety Gear very reduced dimensions
• Special for low speed lifts
• Available guide rail of 9mm
• Instant execution, only on descent
• EU Certificate according to EN 81-20, EN 81-50
• EAC Certificate

More details

Guide rail thickness

Minimum Braking Width (AF)

Type of the guide rail

Tripping Speed

Total permisible mass (P+Q)

Rated Speed, Maximum (m/s)

Tripping Speed, Maximum (m/s)

Safety gear type

Safety gear wedging

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More info
Data sheet
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Features

More info

Safety gears for use in Home-lift and similar. Guide rail of 9mm. Suitable for guide rail types “A” and “B”.
Reduced size allows installation in narrow longitudinal beams.

The axis of the mooring borings coincide with those of the frictioning piece for easier installation.
The roller is guided and kept in place by a plate which prevents its loss and improves the functionning of the driving set.

Instantaneous safety gears certified according to Standards of reference EN 81-20, EN 81-50.

Data sheet

Weight per pair	3,3 kg
Dimensions	80 x 80 x 42 mm
Standards of reference	EN 81-20, EN 81-50

Download

Gervall Catalog PDF®. Instantaneous safety gear M-253	(983.45k)	Download
Gervall Catalog PDF®. Instantaneous safety gear M-253	(943.66k)	Download

Features

Type of the guide rail Schienetyp	Guide rail thickness Dicke der Führung	Minimum Braking Width Minimale Bremsbreite	Governor Tripping Speed Geschwindigkeits Einstellung	P+Q
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,20 m/s	1.726 kg
(B) Machined / Gespant				2.926 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,25 m/s	1.711 kg
(B) Machined / Gespant				2.971 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,30 m/s	1.694 kg
(B) Machined / Gespant				2.871 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,35 m/s	1.673 kg
(B) Machined / Gespant				2.836 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,40 m/s	1.650 kg
(B) Machined / Gespant				2.797 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,45 m/s	1.624 kg
(B) Machined / Gespant				2.753 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,50 m/s	1.597 kg
(B) Machined / Gespant				2.707 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,60 m/s	1.536 kg
(B) Machined / Gespant				2.604 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,70 m/s	1.471 kg
(B) Machined / Gespant				2.493 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,80 m/s	1.402 kg
(B) Machined / Gespant				2.376 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	0,90 m/s	1.331 kg
(B) Machined / Gespant				2.256 kg
(A) Drawn / Gezogen	9 mm	(AF) 24mm	1,00 m/s	1.260 kg
(B) Machined / Gespant				2.135 kg