The TE Connectivity 2071583-4 is a high-performance, high-voltage DC contactor from the ECK100B series, designed for reliable switching and control in high-voltage DC power systems. Featuring a 100A contact current rating, a maximum switching voltage of 1000VDC, and a 12VDC coil, this contactor is suitable for demanding power management and industrial electrical applications.
The 2071583-4 features a single-pole, single-throw, normally open, double-make (SPST-NO-DM) contact arrangement and a hermetically sealed enclosure for enhanced reliability in demanding environments. Its copper contacts and robust construction support efficient electrical switching, while the 5.5W coil provides dependable electromagnetic actuation.
Designed for panel mounting, the contactor includes M5 female main terminals and flying-lead coil connections for system integration. With an operating temperature range of -40°C to +85°C and compact dimensions of 55.1 × 35 × 57.8mm, it is suitable for battery energy storage systems, electric vehicle charging equipment, solar inverters, and industrial DC power control.
Key Specifications:
- Manufacturer: TE Connectivity
- Part Number: 2071583-4
- Manufacturer Description: ECK100BA4AAA
- Product Series: ECK100B
- Product Type: High Voltage DC Contactor
- Contact Configuration: 1 Form X, SPST-NO-DM
- Number of Poles: 1
- Contact Current Rating: 100A
- Maximum Contact Switching Voltage: 1000VDC
- Coil Voltage: 12VDC
- Coil Power: 5.5W
- Coil Resistance: 23.56–28.8Ω
- Contact Material: Copper
- Enclosure Type: Hermetically Sealed
- Auxiliary Contacts: None
- Contact-to-Coil Initial Dielectric Withstand: 4300Vrms
- Main Terminal Type: M5 Female
- Coil Connection: Flying Leads
- Mounting Type: Panel Mount
- Dimensions: 55.1 × 35 × 57.8mm (L × W × H)
- Operating Temperature: -40°C to +85°C
- Packaging: Carton
Typical Applications:
- Battery energy storage systems (BESS)
- Electric vehicle charging systems
- Solar photovoltaic inverters
- Industrial DC power distribution
- Electric forklifts and industrial vehicles
- High-voltage battery management systems
- DC power switching and control equipment
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