Best Panasonic DC contactors EV-A Series AEVA1251 Supplier, Exporter

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Best Panasonic DC contactors EV-A Series AEVA1251 Supplier, Exporter

Panasonic DC Contactor AEVA1251 belongs to the EV-A series and is a high-performance component specifically designed for demanding applications. With rated parameters of 250A@500V DC,Features a panel-mount design with screw-type relay terminals, providing a secure and stable connection for installation.

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Product Description

Overview

Panasonic DC Contactor AEVA1251 belongs to the EV-A series and is a high-performance component specifically designed for demanding applications. With rated parameters of 250A@500V DC, its outstanding characteristics set it apart from comparable products.

1. Design and Dimensions

Featuring an ultra-compact, lightweight design, this contactor measures 42.5 mm (W) × 56.5 mm (L) × 63.0 mm (H), occupying minimal space and making it ideal for installations with limited room. This slim profile does not compromise performance.

2. Electrical Performance

The AEVA1251 boasts a short-circuit current rating of up to 8000A and a breaking capacity of 1800A at 500V DC, regardless of contact polarity. This feature ensures exceptional reliability in high-voltage, high-current operating conditions. Its coil voltage is 12V DC, coil resistance is 24 ohms, coil current is 500mA, and rated power consumption reaches up to 6W.

3. Application Scenarios

This automotive-grade DC contactor is suitable for various high-voltage DC applications: In electric vehicles (such as Plug-in Hybrid Electric Vehicles (PHEV), Battery Electric Vehicles (BEV), and Fuel Cell Vehicles (FCV)), its outstanding high-current carrying capacity and reliable breaking performance are critical for power management. It is also an ideal choice for DC charging stations, ensuring efficient and safe charging processes. Additionally, it can be applied in high-voltage DC circuits for hybrid construction machinery, Automated Guided Vehicle (AGV) systems, and agricultural machinery.

4. Installation and Terminals

Features a panel-mount design with screw-type relay terminals, providing a secure and stable connection for installation.

5. Battery-Free Operation

The AEVA1251 has no internal battery and is designed for direct power supply via an external source, specifically a 12V DC coil voltage. This design simplifies operational procedures, reduces battery maintenance requirements, and enhances suitability for long-term continuous operation scenarios.

Overall, the Panasonic EV-A Series AEVA1251 combines compact dimensions, high-performance electrical parameters, and broad application versatility, making it an optimal component for various high-voltage DC systems.

Specifications

Item	Performance characteristics
Rated Coil Voltage	12V DC
Contact Arrangement	1 Form A
Contact Capacity	250 A
Protective Construction	Capsule contact
Terminal Type	Screw terminal
Operating Function	Single side stable
Operate (Set) Voltage (at 20°C) (Initial)	Max. 9 V DC
Release (Reset) voltage (at 20°C) (Initial)	Min. 0.5 V DC
Rated Operating Current [±10%] (at 20°C)	0.5 A
Coil Resistance (At 20°C)	24Ω
Rated Operating Power (at 20°C)	6.0 W
Max. applied voltage	16 V DC
Contact Material	Cu alloy
Nominal Switching Capacity (Resistive Load)	250A 500V DC (Carry, 50mm² wire)
Max. Carrying Current	250 A continuous (50mm² wire)
Min. Switching Load (Resistive)	1 A 12V DC (at 20°C)
Contact Voltage Drop (Initial)	Max. 0.125 V (250A carry current)
Short Circuit Capacity	8,000 A (at Max. 5 ms), No smoke and no ignition
Insulation Resistance (Min. MΩ)(Initial)	Min. 100 MΩ (At 1000 V DC, Measured portion is the same as the case of dielectric strength.)
Dielectric Strength (Between Open Contacts) (Initial)	2,500 Vrms for 1min. (detection current: 10 mA.)
Dielectric Strength (Between Contacts and Coil) (Initial)	2,500 Vrms for 1min. (detection current: 10 mA.)
Operate (Set) Time (At Rated Coil Voltage) (At 20°C) (Initial)	Max. 50 ms (without bounce)
Release (Reset) Time (at Rated Coil Voltage) (at 20°C) (Initial)	Max. 30 ms (with no coil protective elements)
Shock Resistance: Functional	For ON: Min. 588 m/s² (Half-sine shock pulse: 11 ms; detection time: 10 µs)
Shock Resistance: Functional	For OFF: Min. 147 m/s² (Half-sine shock pulse: 11 ms; detection time: 10 µs)
Shock Resistance: Destructive	Min. 588 m/s² (Half-sine shock pulse: 11 ms)
Vibration Resistance: Functional	10 to 200 Hz, 44.1 m/s² (detection time: 10 µs)
Vibration Resistance: Destructive	10 to 200 Hz, 44.1 m/s² X, Y, Z direction: 4 hours
Expected Life: Mechanical Life	Min. 2 x 10^5
Expected Life: Switch-Off Life	1,800 A 500 V DC, Min. 1 operation (No polarity)
Expected Life: Inrush Current (Capacitor)	140 A 20 V DC, Min. 70,000 operations
Conditions	Ambient temperature: –40 to +85°C
Conditions	Humidity: 5 to 85% R.H. (Avoid icing or condensation.)
Weight (Typ.)	Approx. 400 g
Standard Packing	20 pcs (packed with 20pcs / 1 tray)
Usable Voltage Range	10 V DC to 16 V DC

Models

Panasonic DC contactors EV-A Series AEVA1251

Delivery Information

Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.

Manuals & Resource

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Frequently Asked Questions (FAQ)

What are the dimensions and weight of the Panasonic AEVA1251 contactor?

The AEVA1251 features an ultra-compact design, measuring 42.5 mm in width, 56.5 mm in length, and 63.0 mm in height. It has a typical weight of approximately 400 grams, making it ideal for compact spaces.

What is the rated capacity and short-circuit capacity of the AEVA1251?

It features a nominal switching capacity of 250A at 500V DC (using a 50mm² wire). It also has an impressive short-circuit capacity rating of up to 8,000A (at max 5 ms) with no smoke or ignition under fault conditions.

What are the primary applications of this DC contactor?

The AEVA1251 is designed for high-voltage DC power management systems. Common applications include electric vehicles (BEVs, PHEVs, FCVs), DC fast-charging stations, hybrid construction machinery, Automated Guided Vehicles (AGVs), and modern agricultural equipment.

Does the contactor require a built-in battery to operate?

No, it has a battery-free design. It is built to operate through direct external power delivery using a standard 12V DC coil voltage source, which simplifies installation and cuts down maintenance needs.

What are the mounting and terminal configurations?

It features a panel-mount design for convenient placement and utilizes secure screw-type relay terminals to establish a stable connection capable of handling high vibration.