SIEMENS E1SED43B090SN BREAKER ENC1S 3P 90A 480V 18KA Molded Case Circuit Breaker

The Siemens E1SED43B090SN is a 3-pole, 90 ampere molded case circuit breaker designed for indoor electrical distribution applications. It operates at 480 volts AC with an interrupt rating of 18 kiloamperes, suitable for protecting circuits in commercial and industrial environments. This breaker features a Type ED frame and a Type 1S enclosure, supporting electrical distributors and switchgear suppliers in delivering reliable circuit protection and system safety.

Specifications

• Manufacturer: Siemens
• Manufacturer Part #: E1SED43B090SN
• Frame: ED
• Number of Poles: 3
• Rated Current: 90 A
• Voltage Rating: 480 V AC
• Interrupt Rating: 18 kA
• Frequency Rating: 50/60 Hz
• Enclosure Type: TYPE 1S
• Operating Temperature: -25°C to 75°C ambient
• Environmental Conditions: Indoor use
• Dimensions (HxWxL): 6 in x 8 in x 17 in
• Product Weight: 14.43 lbs

Features

• Non-interchangeable trip unit integrated within the ED frame for enhanced safety and compliance with UL 489 / CSA C22.2 No. 5 standards
• Thermal-magnetic trip mechanism suitable for reliable overload and short circuit protection
• Compatible with copper and aluminum wire connectors as per UL486A and UL486B standards
• Suitable for use in electrical distribution panels, switchboards, and enclosures
• Designed for easy mounting and installation with standard mounting hardware
• Meets applicable CSA and UL standards for molded case circuit breakers and enclosures

Downloads & Links

• Spec Sheet
• Spec Sheet