Descrizione

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TECHNICAL SPECIFICATION
AUTOMATION

Functions:
▪ Protection of the electrical circuits from overload or short circuits of the outer circuit
▪ It can be used as a device for commutation and control of electrical circuits
▪ In combination with auxiliary devices it allows remote control, commutation or indication of the
protected circuit
▪ For mounting in industrial buildings with high contamination level of the electric systems
▪ For mounting at a distance from the transformer post from 150 to 850 m
▪ Allows protection of consumers generating short circuit currents up to 6000 A
Technical data:
▪ Rated voltage: 230/400V; 50/60Hz
▪ Breaking capacity (cycle O-CO) in accordance with standard EN 60 898-1: 6000A
▪ Rated breaking capacity Ics= 75% Icu
▪ Isolating voltage:≥2000V
▪ Electrical wear resistance (number of cycles): 8000
▪ Mechanical (number of cycles): 50000
▪ Class of current limiting: 3
▪ IP code: IP>20
▪ Tripping curve:
– B – the maximum current release breaks between 3 and 5 In; used to protect long circuits
and generators
– C – the maximum current release breaks between 5 and 10 In; used to protect main power
supply cables and conventional consumers
▪ Joining terminal: Combined screw clamp made of 1.5 cold extruded Q235-A material with
additional coating
▪ Plastic box – nylon glass filled FR material
▪ Status indicator
▪ Box permitivity strength: >18MV/m
▪ Abnormal heating wear resistance and fire of the outer parts: 960°C / 3s
▪ Heat resistance of internal non-electrical components: 850°? / 10 s
▪ Maximum current release containing:
– coil: solenoid
– resistance: from 0.6 to 180m
– welding effort: <150 000 N/mm
– bimetal plate – composition: 5J158 to TB180 depending on the current
– thickness: 0.6mm (up to 40A) and 0.8mm (up to 63A)
TECHNICAL SPECIFICATION
AUTOMATION

– thickness: 1.15 to 2.24µm
– drawing effort: from 200 to 400N/mm
– contact head of the movable contact – composition: silver graphite CAg(5)
– dimension 3x3x0.8 (up to 40A) and 4x4x0.8 (up to 63A)
– static contact – composition: pure copper T2Y2
– composition of the contact head: silver graphite CAg(5)
&blacksquare; Power supply (conducting)
– power supply busbar 1P63, 2P63, 3P63
– rigid conductors up to 25 mm
– flexible conductors up to 16 mm
&blacksquare; Tightening moment: 1.33Nm
Mounting:
&blacksquare; Vertical
&blacksquare; DIN-rail
&blacksquare; For mounting in housing or industrial environment without serious interference
&blacksquare; Ambient temperature -5°C to +65°C ±2°C
Variants