What this 1000 A MCCB does for a distribution board
It sits on a backplate in a distribution board or switchgear assembly, with front-front connections — both line and load cables land on the front face, which simplifies panel layout and busbar routing. The 280 mm width and 327 mm height mean it fills a standard compartment; the 147 mm depth keeps it within typical enclosure depths for switchboards up to 690 V. The trip unit is a MicroLogic 5.0 E, which provides LSI protection — long-time overload (L), short-time short-circuit (S), and instantaneous short-circuit (I) — plus integrated energy metering. The electronic trip gives you adjustable curves and a thermal memory of 20 minutes, so the breaker remembers heat buildup from a prior overload and reduces the allowable trip time on a reclose. That matters for motor or transformer feeders where repeated starts can accumulate thermal stress.
This breaker carries an N breaking capacity code: 50 kA Icu at 380/415 V AC, 50/60 Hz, per IEC 60947-2. At 220/240 V it rises to 85 kA Icu; at 690 V it drops to 30 kA Icu. If your installation has a higher fault level — say 65 kA at 415 V — you would step up to an S or H frame. The utilisation category is B, meaning it is suitable for selectivity (cascading) with downstream breakers: the short-time delay in the MicroLogic 5.0 E lets you coordinate with smaller MCCBs or MCBs so a fault on a branch does not take out the whole board. The breaker is rated for 2000 electrical cycles at 690 V at full rated current (In), and 4000 cycles at In/2. Mechanical durability is 10,000 cycles. For a main breaker in a distribution board that sees a few operations per year, that is effectively a lifetime rating.
Mounting and integration into a switchboard
Fixed mounting on a backplate. Neutral is on the left. The breaker has an LCD display on the front for metering readout and four red LEDs for fault indication plus one yellow LED for overload. The IP40 enclosure protection means it is suitable for indoor switchgear where no water spray or dust ingress is expected; the IK07 impact rating handles incidental tool drops during maintenance.
No minimum order quantity beyond the unit itself.