DF143NC

Fuse carrier, TeSys DF, 3P+N, 50A, 690VAC, fuse size 14x51mm, with tubular link

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TeSys DF modular fuse carrier, 4 poles (3P+N), for protection of control circuits up to 50A/690V. To be used with 14x51mm fuse links with stricker up to 50A and short circuit current up to 120kA@400V. To be equipped with an early break auxiliary contact module DF14AM* (to be ordered separately), it provides a Neutral pole fitted with a locked tubular link. Compact (105mm width), it can be used in modular panels, clipping on 35mm DIN rail, connection by screw terminals. Fuse links with striker (14x51mm aM, gG type) and add-on auxiliaries (fuse carrier assembly kits, clip-in markers) are available (to be ordered separately). Sold in lots of 2 units. Multi standards certified (IEC, UL recognized, CSA, EAC), Green Premium product (RoHS/REACh).
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Specification Value
Height 110.8 mm
Mounting Support 35 mm symmetrical DIN rail
Standards EN/IEC 60947-3 || EN/IEC 60269-2 || UL 4248-1 || CSA C22.2 No 4248-1
Product Certifications IEC || UL Recognized || CSA || EAC
Connections - Terminals screw clamp terminals 1 2.5-25 mm²rigid || screw clamp terminals 2 2.5-10 mm²rigid || screw clamp terminals 1 2.5-25 mm²flexible with or without || screw clamp terminals 2 2.5-10 mm²flexible with or without
Net Weight 0.570 kg
Mounting Position vertical +/- 23°)
Tightening Torque 3.5 N.m
Quantity Per Set set of 1
Width 105 mm
Depth 76.5 mm
Fuse Size 14 x 51 mm
[Ue] Rated Operational Voltage 690 V AC || 690 V DC
Fuse Type , aM || , gG
Product Or Component Type fuse carrier
Product Name TeSys DF
Device Composition tubular link locked in Neutral pole
[Uimp] Rated Impulse Withstand Voltage 8 kV
Range TeSys
Short-Circuit Withstand 120 kA 400 V IEC 60947-3 || 120 kA 500 V IEC 60947-3 || 80 kA 690 V IEC 60947-3
[Ui] Rated Insulation Voltage 690 V AC
Product Compatibility DF3EA fuse cartridge striker || DF3EN fuse cartridge striker || DF14AM auxiliary contact block
[Ie] Rated Operational Current 50 A
Control Type toggle
Poles Description 3P + N
[Ipk] Rated Peak Withstand Current 15 kA with tubular links IEC 60269-1
Device Short Name DF14
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*New items come with up to 24 month Obso Warranty
Our previously used items and repair options come with 12 months Obso Warranty.


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*Same & Next Day Delivery & Collection is available for stock from our UK and NL branches. Next-day delivery collection and 2 day delivery is available for stock sourced from our partners. In 90% of cases, we can deliver faster than the manufacturer’s ETA where required.

Standard options for delivery are also available where required.


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