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Zhejiang Yonggui Electric Equipment Co., Ltd.

ESC-HPB250 Connector

Specifications of ESC-HPB250 Connector

Electrical Characteristics

Number of Pins


Terminal specifications

¢ 8 mm

Rated Current

150A ( 35mm² ) / 200A ( 50mm² ) / 250A( 70mm² )

Rated Voltage

1500V DC

Voltage Proof

6800V AC 50Hz

Contact Resistance

≤0.3 mΩ

Insulation Resistance


Temperature Rise


Mechanical Characteristics

Mechanical life Durability

≥100 cycles

Protection Class


Flame Rating

UL94 V0 (Bulk Material)

Material and Finish


Insulator:Engineering plastics

Rubber parts: Silicon rubber

Contact: Copper alloy

Surface Treatment

Silver / Tin

Working environment (Environmental data)

Operating Temperature


Relative Humidity



QC/T 1067.1-2017 Vibration level V1


Cable specification

35 mm² / 50 mm² /70 mm²

Cable Diameter OD

11.50±0.2 mm/ 13.50±0.3 mm /15.50±0.3 mm

Termination Method

Plug: Double B type crimping /hexagonal crimping

Double B-type crimping / Hexagonal crimping

receptacle: Thread locking M6/M 8 Thread termination

Torque: M6: 5N•m-5.5N•m, M8: 10N•m-12N•m

Installation Method

Screw M3 / M4 Screw

Installation Torque

M3: 0.6-0.8N•m / M4: 1.8-2.2N•m

Locking Method

CPA (Connector Position Assurance)

Preventing Misinsertion

Color Preventing

Mechanical Preventing

ESC-HPB250 Connector Storage Condition

  • The connector should be used within the provided technical parameters, and the product should be installed, used and maintained in strict accordance with the product instruction manual.

  •  Connecters should be used within the specification that provided, Install, use and maintain the products according to the documents.

  • Packaging: Carton packing, moisture-proof treatment.

  • Storage Requirements (Storage Spec):

    Products packed into boxes should be stored in a warehouse with an ambient temperature of -10°C to +40°C, a relative humidity below 80%, and no acidic, alkaline or other corrosive gases in the surrounding air. The storage period shall not exceed two years from the date of production. .

    The packaged products shall be stored in the warehouse within the temperature of -10 ℃~+ 40 ℃, relative humidity less than 80%, and no acid, alkaline or other corrosive gases in the surrounding air. The storage period shall not exceed two years from the production date.

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Contact Yonggui Electric for Connectors
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