EGS 2 / EGSHJ 2

Overspeed switches

Monitor overspeed and standstill
Hollow shafts (isolated ball bearings) up to Ø 17 mm, solid shaft Ø 11 mm (flange mounting)
Nonwearing semi-conductor switch (NO contact): one switching output set ex works
Switching capacity up to 30 VDC and 0.5 A

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The preset speed monitors

The electronic speed switches monitor the factory-set speed with high switching accuracy, including low operating speeds. Alternatively, they can be used as standstill monitors. As a consequence, the speed switches play their part in system and personnel protection. They are installed on motors, for example in cranes, in mining operations as well as in rolling mills and more.

Technical Data

Attribute	Value
Supply voltage	12-30 VDC
Number of switches	1
Switching voltage	0-30 VDC
Switching speed range	1-6300 rpm with solid shaft 1-5400 rpm with hollow shaft
Switching function	Speed monitoring: Opens when switching speed exceeded Standstill monitoring: Opens when angle of rotation is altered Switching points set ex-works
Maximum rotation	Up to 7000 rpm with solid shaft Up to 6000 rpm with hollow shaft
Electrical connection	Terminal strip in a terminal box Fixed cable (0.6-3 m)
Construction type / Ø shafts	Solid shaft (B5) / Ø 11 mm with feather key Hollow shaft (isolated bearings) / Ø 12 mm, Ø 16 mm with clamp, Ø 17 mm with taper 1:10
Device temperature range	-25 °C to + 85 °C
Degree of protection	IP66
Weight	Approx. 2 kg
Device options	Incremental output: See FG 2 with option S
Mechanical options	Hollow shaft devices: Torque bracket (on request)
Special features and certificates	UL/CSA EGSHJ 2: Increased dielectric strength up to 3 kV (direct mounting to drive-controlled motors)