Lovato 11SMX9044 - THREE-PHASE CONNECTION BUSBAR 54MM - FOR 4 BREAKERS

General and operational characteristics

ADD-ON AUXILIARY CONTACTS

– Connectable to the left side of the breaker or on the front
– Maximum combinations: 3 SM1X… blocks with 6 auxiliary contacts in total of which 1 front block and 2 side blocks
– IEC conventional free air thermal current Ith: 10A (5A for SM1X11...)
– IEC rated insulation voltage Ui: 690V (300V for SM1X11...)
– Rated impulse withstand voltage Uimp 6kV (4kV for SM1X11...)
– UL/CSA and IEC/EN 60947-5-1 designation: A600 - Q600 (C300 - R300 for SM1X11...)
– Maximum tightening torque: 1Nm / 9lbin
– Conductor cross section minimum-maximum (1 or 2 wires): 0.75...2.5mm 2 or 18...14AWG.
– Screw tightening tool: Phillips 2
– Maximum tightening torque: 1Nm / 9lbin
– Width of side-mount auxiliary contacts equal to 0.5 DIN 46880 modules.

UNDERVOLTAGE TRIP RELEASES

– Snap on to the right side of the breaker
– Consumption inrush/holding: 12/3.5VA
– Release voltage: 0.35...0.7Us
– Operating voltage: 0.85...1.1Us
– Maximum tightening torque: 1Nm / 9lbin
– Conductor cross section minimum-maximum (1 or 2 wires): 0.75...2.5mm 2 or 18...14AWG.
– Screw tightening tool: Phillips 2
– Maximum tightening torque: 1Nm / 9lbin
– Width of side-mount auxiliary contacts equal to 1 DIN 46880 module.

SHUNT TRIP RELEASES

– Snap on to the right side of the breaker
– In-rush consumption: 20VA
– Operating voltage: 0.7...1.1Us
– Conductor cross section minimum-maximum (1 or 2 wires): 0.75...2.5mm 2 or 18...14AWG.
– Screw tightening tool: Phillips 2
– Maximum tightening torque: 1Nm / 9lbin
– Width of side-mount auxiliary contacts equal to 1 standard DIN 46880 module.

TERMINAL BLOCKS FOR BUSBAR SUPPLY

– Imax 63A
– Screw tightening tool: Phillips 2
– Maximum tightening torque: 2.3Nm / 20lbin
– Conductor cross section minimum-maximum: 4...25mm 2 or 10...4AWG.

THREE-PHASE CONNECTION BUSBARS

– Imax 63A
– SMX90 3... 45mm/1.77” spacing to reduce the width to the minimum
– SMX90 4... 54mm/2.13” spacing to consent to fit one side-mount auxiliary contact block on the breaker.

Certifications and compliance

Certifications obtained: cULus.
Certifications pending: EAC, CCC.
Compliant with standards: IEC/EN 60947-1,
IEC/EN 60947-5-1, UL508, CSA C22.2 n° 14.