5550 and 5550G Mechanical Vibration Switch0 pages
Datasheet
5550 & 5550G Mechanical Vibration Switches
Overview
Model 5550 and 5550G mechanical switches
provide basic, economical vibration protection
by means of a simple and highly reliable "over
center" snap action mass and spring mechanism.
In the presence of sufficient vibration along the
switch’s sensitive axis, the switch snaps from a
stable "untripped" state to a stable "tripped"
state, allowing automatic machinery shutdown
or alarming when excessive vibration occurs.
Once tripped, the switch must be returned to its
untripped state via its local reset plunger (5550
only), or via voltage applied to its remote reset
coil (standard on 5550G, optional on 5550). A
single set of silver‐plated SPDT relay contacts
are provided as standard for connecting the
switch to a machine control or annunciation
circuit. An option for DPDT contacts is also
available, and for extremely corrosive
environments, gold‐plated relay contacts may
be ordered.
Model 5550
Mechanical Vibration Switch
Model 5550G
Mechanical Vibration Switch
Key Feature Comparison
IECEx / ATEX Flameproof up to Gas Group Rating IIB + H2
IECEx / ATEX Flameproof up to Gas Group Rating IIC
UL / cUL Explosion Proof Ratings for Div 1 areas
Remote Reset / Startup Delay
Setpoint Adjustment Screw
Reset
NEMA 4 / IP66 Rating
NEMA 4X / IP66 Rating
Mounting Footprint
CE Mark
5550
Optional
Not Available
Optional
Optional
Externally Accessible
Local (Std) and Remote (Opt)
Standard
Optional
Rectangular, 4‐hole
Standard
Document 1004461
Rev. K (Feb 2012)
5550G
Standard
Standard
Not Available
Standard
Internally Accessible
Remote Only
Standard
Standard
Rectangular, 2‐hole
Standard