Page 53 - SACE Tmax XT - Catalogue

PROTECTION TRIP UNITS 3/19

03

Field of application Trip Unit L - Overload Protection I - Short-circuit Protection
Current Threshold Trip Time Current Threshold Trip Time
Power Distribution TMD Adjustable Fixed Fixed Fixed instantaneous
Protection
TMA Adjustable Fixed Adjustable Fixed instantaneous
Motor Protection MA - - Adjustable Fixed instantaneous
Generator Protection TMG Adjustable Fixed Adjustable Fixed instantaneous

Power Distribution Protection
TMD
In [A] 1.6 2 2.5 3.2 4 5 6.3 8 10 12.5 16 20 25 32 40 50 63 80 125 160 200 250
XT1 ● ● ● ● ● ● ● ● ● ●
XT2 ● ● ● ● ● ● ● ● ● ● ● ● ● ●
XT3 ● ● ● ● ● ●
XT4 ● ● ● ●
Note: the XT1 with In = 16A or 20A and with N, S and H breaking capacity have the TMF trip unit only

TMA
In [A] 40 50 63 80 100 125 160 200 225 250 320 400 500 630 800
XT2 ● ● ● ● ● ● ●
XT4 ● ● ● ● ● ● ● ● ● ●
XT5 ● ● ● ●
XT6 ● ●

Motor Protection
MA
In [A] 1 2 3.2 4 6.3 8.5 10 12.5 16 20 32 52 63 80 100 125 160 200 320 400 500 630
XT2 ● ● ● ● ● ● ● ● ● ● ●
XT3 ● ● ● ●
XT4 ● ● ● ● ● ● ● ● ● ●
XT5 ● ● ● ●
Note: the XT2 and XT4 up to 12.5A are available only as complete circuit-breakers
the XT4 V and X versions up to 52A are available only as complete circuit-breakers with the Icu value at 690V AC = 5kA
the XT2 up to 12.5A have the MF trip unit with fixed short-circuit protection
Generator Protection
TMG
In [A] 16 20 25 32 40 50 63 80 100 125 160 200 250 320 400 500 630
XT2 ● ● ● ● ● ● ● ● ● ● ●
XT3 ● ● ● ● ● ● ●
XT5 ● ● ● ●
Note: the XT2 up to 63A are available only as complete circuit-breakers