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3M 557BOX Electrical IDC Pigtail Connector

The 3M Scotchlok Electrical IDC Pigtail Connector 557 provides a secure and insulated connection for two wire ends. Designed for use with 22-16 AWG solid or stranded copper conductors, this connector is ideal for electrical applications requiring a reliable and compact connection. It is UL and CSA certified, ensuring compliance with industry standards for safety and performance. The connector's flame retardant polypropylene insulator and tin-plated brass U-Contact contribute to its durability and electrical integrity. Commonly used in building wire and sign/fixture applications, the Scotchlok connector simplifies installation and provides a long-lasting, secure connection.

Authorized Distributors
Part No:557-BOX
Stock:263
Inv Date:05-30-2026
Price: Unit price: $0.91
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Part No:557-BOX
Stock:0
Inv Date:05-29-2026
Price: Unit price: $40
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Part No:557-BOX
Stock:1000
Inv Date:05-29-2026
Price: Unit price: $0.79
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Part No:557-BOX
Stock:1000
Inv Date:05-29-2026
Price: Unit price: $0.79
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Part No:557BOX
Stock:1
Inv Date:05-28-2026
Price: N/A
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3M 557BOX Electrical IDC Pigtail Connector Specifications:

  • Wire Range Capabilities: 22 to 16 AWG
  • Maximum Insulation O.D.: 0.120 inches (3,05 mm)
  • Maximum Recommended Voltage Rating: 600 Volt
  • Units per Box: 100
  • Color: Red
  • Agency Approvals: UL and CSA
  • China RoHS: Yes
  • EU RoHS Compliant: Yes
  • Operating Temperature: 105°C (221°F)
  • Weight: 0.0030 lb. (1,37 gm)
  • Construction: U-Contact: Tin plated brass, .02 in. thick (0,5 mm); Insulator: Flame retardant polypropylene
  • Maximum Recommended Current: 22 AWG - 3 Amps, 20 AWG - 4 Amps, 18 AWG - 7 Amps, 16 AWG - 10 Amps

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Frequently Asked Questions

Where can I buy 3M 557BOX?

You can click on the BUY or RFQ button to purchase 557BOX from an authorized 3M distributor.

How do I troubleshoot issues or seek technical support for part 557BOX?

You can download the 557BOX datasheet or visit the 3M website for support.

Who is the manufacturer of 557BOX?

3M

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