Page 204 - SACE Tmax XT - Catalogue

7/58 SACE TMAX XT LOW VOLTAGE MOLDED CASE CIRCUIT-BREAKERS

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Residual current protection

Electrical characteristics Residual current devices
RC Sel 200 XT1 RC Inst XT1-XT3 RC Sel XT1-XT3 RC Sel XT2-XT4 RC Sel XT5 (3)
Primary power supply voltage [V] 85…690 85…690 85…690 85…690 85…690
Operating frequency [Hz] 45…66 45…66 45…66 45…66 45…66
Fault frequency [Hz] 50-60 50-60 50-60 50-60 50-60
Test operating range [V] 85…690 85…690 85…690 85…690 85…690
XT1 up to 160 up to 160 XT1 up to 160 XT2 (2)
Rated operating current [A] up to 160 up to 550 (2)
XT3 up to 250 up to 250 XT3 up to 250 XT4 (2)
0.03-0.05-0.1- 0.03-0.1-0.3 0.03-0.05-0.1- 0.03-0.05-0.1- 0.03-0.05-0.1-0.3
Adjustable trip thresholds [A]
0.3-0.5-1-3-5-10 0.5-1-3 0.3-0.5-1-3-5-10 0.3-0.5-1-3-5-10 0.5-1-3-5-10-30
Selective type S  -   
Instantaneous Instantaneous Instantaneous Instantaneous
Adjustable NON-trip time settings [s] 0.1-0.2-0.3- Instantaneous 0.1-0.2-0.3-
at 2xIΔn 0.1-0.2-0.3- 0.06-0.15-0.3-
0.5-1-2-3 0.5-1-2-3 0.5-1-2-3 0.5-1-2-3-5
Power input <5 W at 690V AC <5 W at 690V AC <5 W at 690V AC <5 W at 690V AC <5 W at 690V AC
Trip Coil with switch contact for     
trip signal
Input for remote controlled opening
command  -   
NO contact for pre-alarm signal  -   
NO contact for alarm signal  -   
Pre-alarm indication from 25% IΔn.
Steady yellow LED light  -   
Alarm timing indication at 75% IΔn.  -   
Flashing yellow LED light (1)
Type A for pulsating alternating
current     
Type AC for alternating current
(1) Indication of alarm timing at 90% IΔn for 30mA for XT1, XT2, XT3 and XT4. Indication of alarm timing at 75%IΔn for 30mA for XT5
(2) Plug-in and withdrawable version: the 160 frame can be used with a max In = 135A
the 250 frame can be used with a max In = 210A
the 630 frame can be used with a max In = 500A
(3) Bottom supply only for circuit-breakers with Ue up to 500V.