Schneider DF143VC TeSys DF Fuse Carrier 3P 22x58mm with blown fuse indicator

The Schneider Electric DF143VC is a TeSys DF 3-pole fuse carrier rated at 50 A for use with 14 x 51 mm gG or aM type fuses. It provides local isolation up to 690 V AC/DC with handle operation and a built-in blown fuse indicator for fast fault detection. Supplied as a set of 2 units, the DF143VC DIN rail-mounts for integration into industrial control and distribution panels.

Technical specifications:

• Commercial reference: DF143VC
• Manufacturer: Schneider Electric
• EAN:
• Series / range: TeSys DF
• Number of poles: 3P
• Rated operational current [Ie]: 50 A
• Rated operational voltage [Ue]: 690 V AC / 690 V DC
• Rated insulation voltage [Ui]: 690 V AC
• Rated impulse withstand voltage [Uimp]: 8 kV
• Fuse size: 14 x 51 mm
• Fuse type: gG, aM
• Rated peak short-circuit current [Ipk]: 15 kA with tubular connections (IEC 60269-1)
• Short-circuit withstand current: 120 kA at 400 V / 120 kA at 500 V / 80 kA at 690 V (IEC 60947-3)
• Mounting: 35 mm symmetrical DIN rail, vertical (tolerance +/- 23°)
• Connection: Screw terminals, 1 cable 2.5-25 mm² or 2 cables 2.5-10 mm² (rigid or flexible, with or without ferrule)
• Tightening torque: 3.5 N.m
• Dimensions (W x H x D): 79 x 110.8 x 76.5 mm
• Weight: 0.423 kg
• IP protection: IP20 (IEC 60529)
• Operating temperature: -20 to 60 °C (derating above 20 °C)
• Storage temperature: -40 to 80 °C
• Standards: EN/IEC 60947-3, EN/IEC 60269-2, UL 4248-1, CSA C22.2 No 4248-1
• Certifications: IEC, UL recognized, CSA, EAC
• Sold as: Set of 2

Features and benefits:

• Built-in blown fuse indicator allows rapid fault identification without removing fuses or opening enclosures
• Compatible with DF3EA and DF3EN fuse striker pins and DF14AM auxiliary contact block for expanded signaling and control options
• Handle-operated isolation rated for continuous duty at up to 690 V AC/DC
• High short-circuit withstand capacity of 120 kA at 400 V ensures robust protection in demanding industrial environments
• Accepts both gG general-purpose and aM motor-protection fuse types for application flexibility
• Fire-resistant construction tested to 960 °C per IEC 60695-2-1 with TH protective treatment for humid environments

Applications:

• Fused disconnection in motor control centers and industrial switchgear panels
• Branch feeder protection in motor control and automation cabinets
• Industrial distribution boards requiring IEC 60947-3 compliant fuse disconnectors
• Machine tool panels where local fuse isolation and blown-fuse signaling are required

Compliant with EN/IEC 60947-3 and EN/IEC 60269-2. Part of the Schneider Electric TeSys DF range.

Also known as: Schneider DF143VC, Schneider Electric DF143VC, TeSys fuse disconnector 3P 50A, fuse carrier 14x51 mm.