ABB Tmax XT1 MCCB — 160 A Frame, 3/4-Pole (IEC 60947-2)

Name: ABB Tmax XT1 MCCB — 160 A Frame, 3/4-Pole (IEC 60947-2)
Brand: ABB
Price: 152.0 USD
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by ABB

$152.00 - $152.00

$152.00

$152.00 - $152.00

$152.00

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Compact molded-case circuit breaker for final distribution and feeders. Frame 160 A, 3P/4P, breaking-capacity options by code (XT1B / XT1N / XT1S / XT1H), trip units TMD (thermal-magnetic) or Ekip electronic (LS/I, LSI, LSIG). Fixed or plug-in, full accessory ecosystem.

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Product Description

ABB Tmax XT1 is the small-frame member of the Tmax XT MCCB family, sized for feeders, sub-mains, and motor circuits up to a 160 A frame. Choose 3-pole or 4-pole, and match your fault level using ABB’s breaking-capacity codes (e.g., B / N / S / H). Protection can be thermal-magnetic (TMD)—simple and robust—or Ekip electronic when you need adjustable long/short/instantaneous (and optional ground-fault) functions, event indications, or tighter selectivity. The XT platform supports fixed or plug-in mounting, front rotary handles, shunt/undervoltage releases, auxiliary contacts, terminal shrouds, motor operators, and communication kits—making panel integration and maintenance isolation straightforward. Devices are IEC 60947-2 compliant with typical voltage ratings up to 690 V AC, 50/60 Hz. Use ABB’s selection tables to pair frame + breaking-capacity + trip unit + In for your application and available fault current.

Technical Specifications

Brand / Series	ABB — Tmax XT
Model	XT1 (frame 160 A)
Standards	IEC/EN 60947-2
Poles	3P or 4P
Frame Size	160 A frame
Rated Voltage	Up to 690 V AC, 50/60 Hz (variant-dependent)
Breaking Capacity Options	XT1B / XT1N / XT1S / XT1H (Icu varies by code & voltage)
Trip Units (thermal-magnetic)	TMD, adjustable overload (Ir) and magnetic trip (Im) ranges by In
Trip Units (electronic)	Ekip LS/I, LSI, LSIG (adjustable L/S/I; optional ground fault)
Rated Current (In)	Up to 160 A depending on trip unit and frame
Mounting	Fixed; Plug-in kit available
Accessories	Aux contacts, OF/SD, shunt trip, undervoltage release, rotary handle, motor operator, terminals/shrouds, comm modules
Applications	Feeders, sub-mains, motor feeders, selective coordination with upstream devices

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Frequent asked questions

What’s the difference between XT1B, XT1N, XT1S, and XT1H?

They are breaking-capacity codes. Each code has a different Icu/Ics rating at common system voltages (e.g., 400/415/440/690 V). Pick the code that safely exceeds your calculated fault level.

When should I choose Ekip electronic trips over TMD?

Use Ekip when you need wider adjustable ranges, LS/LSI/LSIG functions, better selectivity, event indication, or coordination with sensitive downstream devices. TMD is ideal for simple feeders with predictable loads.

3-pole vs 4-pole—how do I choose?

3P for three-phase systems without neutral switching. 4P when you must make/break the neutral with the phases (e.g., certain distribution schemes or harmonics management).