ABB REM610 Product Manual page 19

ABB
Motor Protection
REM610
Product version: C
Table 18. Mechanical tests
Description
Vibration tests (sinusoidal)
Shock and bump test
Protection functions
Table 19. Three-phase thermal overload protection (θ>)
Feature
Set safe stall time, t
6x
Set ambient temperature, T
Set restart inhibit level, θ
Set prior alarm level, θ
Trip level, θ
>
t
Time constant multiplier, K
Weighting factor, p
Operate time accuracy:
• >1.2 x I
n
1) The setting step is 0.5.
Reference
According to IEC 60255-21-1
According to IEC 60255-21-2
amb
>
i
>
a
c
Requirement
Class I
Class I
Value
1)
2..0...120 s
0...70ºC
20...80%
50...100%
100%
1...64
20...100%
±5% of the set operate time or ±1 s
1MRS756304 C
Issued: 30.10.2009
19