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A9N15656 Product picture Schneider Electric Acti9 – fuse-disconnector STI – 3 poles – 25 A – for fuse 10.3 x 38 mm


range Acti9
product name Acti9 STI
product or component type Fuse-disconnector
device short name STI
poles description 3P
[In] rated current 2 A
4 A
6 A
10 A
16 A
20 A
25 A
fuse curve GG
fuse size 10.3 x 38 mm
[Ue] rated operational voltage 500 V AC
[Ui] rated insulation voltage 500 V AC 50/60 Hz
mounting mode Clip-on
mounting support DIN rail
9 mm pitches 6
Height 81 mm
width 54 mm
Depth 75 mm
colour White
connections – terminals Screw clamp terminals1 cable(s) 0.75…10 mm² rigid
Screw clamp terminals1 cable(s) 0.5…6 mm² flexible
Screw clamp terminals2 cable(s) 0.75…4 mm² rigid
Screw clamp terminals2 cable(s) 0.5…6 mm² flexible
wire stripping length 12 mm
tightening torque 2 N.m
Standards IEC EN 60947-3
IEC 60269-1/2
IP degree of protection IP20
pollution degree 3
Ambient air temperature for operation -20…60 °C
Ambient air temperature for storage -40…80 °C
Packing Units
Unit Type of Package 1 PCE
Number of Units in Package 1 1
Package 1 Height 5.5 cm
Package 1 Width 7.5 cm
Package 1 Length 8.5 cm
Package 1 Weight 165.75 g
Unit Type of Package 2 BB1
Number of Units in Package 2 4
Package 2 Height 8.5 cm
Package 2 Width 9.5 cm
Package 2 Length 22.5 cm
Package 2 Weight 709.0 g
Unit Type of Package 3 S03
Number of Units in Package 3 48
Package 3 Height 30.0 cm
Package 3 Width 30.0 cm
Package 3 Length 40.0 cm
Package 3 Weight 8.925 kg
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This Acti9 STI isolatable fuse-carriers is a low voltage fuse-disconnector. It is used for tertiary and industrial applications requiring a high breaking capacity. It has 3P pole, up to 25A rated current, and gG or aM fuse curve with a fuse cartridge type of 10.3mm x 38mm. it can be mounted on DIN rail for modular installation. The general purpose fuse (gG fuse) provides overload and short-circuit protection. The aM fuse for motor application provides short-circuit protection (protection of loads with a high peak current). it has an IP20 degree of protection on its terminals, becoming IP40 once in modular enclosure. A clip-on marker is visible on front face or on downstream terminal to identify fuse presence. An optional 230V neon indicator light indicates fuse blowing (off in normal operation and lit red after fuse blowing). The device is provided with a captive fuse-carrier and an additional housing for a spare fuse. Its toggle can also be padlocked.

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