3VA5217-7EF31-0AA0 - CFAS 175 Amp Circuit Breaker
- 175 Amp
- 100kA @ 480V Volts AC
- 3 Pole
Purchase Options:
3VA5217-7EF31-0AA0 - CFAS 175 Amp Circuit Breaker Description
3VA5217-7EF31-0AA0 - CFAS 175 Amp Circuit Breaker
It’s also fairly compact for its class, making it easier to fit into existing panels or new builds without reworking your layout. If you’re looking for a straightforward breaker that does its job consistently, this one fits the bill. The Siemens 3VA5217-7EF31-0AA0 is a 3-pole, 175-amp circuit breaker designed for systems where reliability matters and failure isn’t an option. It’s part of the 3VA5 line, commonly used in commercial and industrial applications that handle higher loads and stringent safety requirements. This unit has a 100 kA interrupting rating at 480V, making it well-suited to handling high fault current levels without hesitation. Protection is handled by a thermal-magnetic trip unit, with the overload set at 175 amps and the instantaneous trip set at 10 times the rated current. That means it reacts quickly when needed, without requiring adjustments or fine-tuning during installation.
Key Features and Benefits
- 100kA interrupting capacity at 480V for high fault protection
- Thermal magnetic trip unit for combined overload and short-circuit protection
- Fixed trip settings—no adjustments needed
- 3-pole configuration for three-phase systems
- Compact size for easier panel integration
- Designed for higher fault-level applications (C-interrupting class)
Technical Specifications
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Part Number: 3VA5217-7EF31-0AA0
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Series: 3VA52
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Poles: 3
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Amperage: 175A
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Interrupting Rating: 100kA @ 480V
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Trip Type: Thermal Magnetic (TM240, ATAM)
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Overload Protection (Ir): 175A (fixed)
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Instantaneous Trip (Ii): 10 × In
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Frame Size: 250
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Dimensions:
- Height: 9.65 in
- Width: 6.3 in
- Depth: 5.9 in
Material Compliance and Certifications
- Built to meet UL standards, this breaker follows widely accepted safety requirements for electrical distribution equipment in North America. Suitable for use in code-compliant installations.
Where It Works Best
- This breaker is typically used in commercial buildings, industrial facilities, and power distribution systems where a higher available fault current is expected. It’s a practical choice for panelboards and switchboards that need dependable protection without added complexity.
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Specifications
- Depth:5.9
- Height:9.65
- Width:6.3
- Poles:3
- Amperes:175
- A.I.C. Rating & Volts:100kA @ 480V
- Type:3VA52
- Approx Dimensions:7.30"H x 4.10"W x 3.30"D
- Additional Notes:C-Interrupting Class (CFAS) Thermal Magnetic circuit breaker 3VA5 UL Frame 250 breaking capacity class C 100 kA @ 480 V 3-pole, line protection TM240, ATAM, In=175 A overload protection Ir=175 A permanently set short-circuit protection Ii=10 x In without connection
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