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MULTIBLOC® Size 4a 1600A 3-pole fuse-switch disconnector with bottom fitting and panel connection, suitable for industrial and utility applications requiring reliable circuit protection and isolation.
£1,286.60
Engineered for demanding industrial and utility applications, the MULTIBLOC® Size 4a 1600A 3-pole fuse-switch disconnector ensures reliable circuit protection and isolation. Its bottom fitting with panel connection and robust M12 screw terminals provide secure, vibration-resistant installation for high-current operations.
This device supports standard NH fuses, accommodating up to 1600A, making it ideal for main distribution boards and critical power infrastructure. The durable construction and precise switching mechanism guarantee safe maintenance and operational continuity in even the most challenging environments.
This fuse-switch disconnector is compatible with NH fuse links of size 4a and supports solid links rated up to 1800 A. It is designed for use in IEC-compliant electrical systems operating at voltages up to 690 V AC and frequencies of 50 to 60 Hz. The device fits standard bottom fitting/panel mounting setups, making it suitable for integration into existing industrial switchgear and distribution boards.
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| Mounting Type | Base / panel | |
|---|---|---|
| Current | 1600 A | |
| Phase | Three Phase | |
| Poles | 3-pole | |
| Device Type | Fuse switch disconnector | |
| Voltage | 690 V | |
| Item number | Z1023085 | |
| Catalogue No | 1.000.092 | |
| Description | NH fuse-switch disconnector MULTIBLOC® Size 4a 1600A 3-Pole switching Bottom Fitting/panel Connection Screw M12 ct.150A | |
| EAN/UPC Code | 9008567007013 | |
| Frequency (Hz) | 50 ... 60 Hz | |
| Rated voltage AC IEC | 690 V | |
| Ampere Rating | 1600 A | |
| Utilization Category | AC 21 B @ Ue = AC 400 V; Ie = 1600 A | |
| Switchability | 3-pole switching | |
| RoHS Compliant | Yes | |
| AC or DC | AC | |
| Short Circuit Current Rating (SCCR) | 31,5kA@Ue = AC 400 V; Ie = 1600 A / 31,5kA@Ue = AC 500 V; Ie = 1600 A / 31,5kA@Ue = AC 690 V; Ie = 1600 A | |
| Fuse Size | 4a | |
| Design Details | triple pole switching | |
| Number of Poles | 3-Pole | |
| Degree of Pollution | 3 | |
| Rated Impulse Withstand Voltage | 8 kV | |
| Rated Insulation Voltage | 800 V | |
| Rated SC Withstand | 50 kA / 1 s | |
| Max Power dissipation of Fuse Links Pn | 140 W | |
| Max Power dissipation of Solid Links Pn | 42 W | |
| Power Dissipation by Ith without Fuse-Links | 270 W | |
| Power Dissipation by Ith without Solid Links | 270 W | |
| Rated short circuit making capacity with solid links Icm | 100 kA | |
| Installation Mounting | Bottom Fitting/panel | |
| Product Width | 378 mm | |
| Product Length | 232.9 mm | |
| Product Height | 330 mm | |
| Sell Pack Quantity | 1 EA | |
| Sell Pack Weight | 13.9 kg | |
| Sell Pack Width | 300 mm | |
| Sell Pack Length | 400 mm | |
| Sell Pack Height | 400 mm | |
| Product group | IEC Fuse Switch Disconnectors | |
| Conventional Free Air thermal Current With Fuse-Links Ith | 1600 A | |
| Product Weight | 13.9 kg | |
| Conventional Free Air thermal Current - Solid Links | 1800 A | |
| HS Code | 85365080 | |
| Country of Manufacture | Hungary |
The MULTIBLOC® Size 4a 1600A 3-pole fuse-switch disconnector supports standard NH fuse links of size 4a, suitable for currents up to 1600A.
No, this particular model is designed for AC applications only, with rated voltages up to 690 V AC.
The device has a short circuit current rating (SCCR) of 31.5 kA at voltages of 400 V, 500 V, and 690 V AC with a current rating of 1600 A.
It is mounted using a bottom fitting panel connection, secured with M12 screw terminals for vibration-resistant installation.
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