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switch sb

switch sb, Total:2 items.

In the international standard classification, switch sb involves: .

Underwriters Laboratories (UL), switch sb

• UL 489 CRD-2012 UL Standard for Safety Molded-Case Circuit Breakers@ Molded-Case Switches and Circuit-Breaker Enclosures - Section / Paragraph Reference: Annex SB Subject: Addition of Molded Case Switches to Annex SB@ Molded Case Circuit Breakers and Circuit Breaker Encl
• UL 489 CRD-2013 UL Standard for Safety Molded-Case Circuit Breakers, Molded-Case Switches and Circuit-Breaker Enclosures - Section / Paragraph Reference: Annex SB Subject: Addition of Molded Case Switches to Annex SB, Molded Case Circuit Breakers and Circuit Breaker Encl

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