ABB / GE THQL1120ST1 20 Amp 1 Pole Shunt Trip Circuit Breaker – THQL Q-Line – 120/240V AC

The ABB / GE THQL1120ST1 is a 20 Amp, 1-pole thermal-magnetic circuit breaker equipped with an integrated shunt trip function for remote or emergency disconnect applications. Part of the THQL Q-Line series, this breaker provides standard overload and short-circuit protection while allowing an external control circuit to trip the breaker remotely. It is designed for use in GE Q-Line load centers and compatible panelboards.

Voltage and Rating

• Current Rating: 20 Amps
• Voltage Rating: 120/240 VAC
• Number of Poles: 1
• Interrupting Rating: 10 kAIC @ 120/240 VAC
• Device Type: Shunt Trip Circuit Breaker

Key Specifications

• Series: THQL Q-Line
• Part Number: THQL1120ST1
• Breaker Type: Thermal Magnetic with Shunt Trip
• Mounting Style: Plug-On
• Brand: ABB / General Electric

Technical Specifications

• Protection Functions:
  • Overload protection
  • Short-circuit protection
• Trip Function Code: LI (Long-Time and Instantaneous)
• Shunt Trip Feature: External control circuit disconnect capability
• Trip Adjustability: Fixed thermal and magnetic settings
• Construction Features:
  • Quick-make/quick-break mechanism
  • Common trip design
  • Visual trip indication
  • Compact Q-Line form factor

Standards and Approvals

• UL 489 Listed
• CSA Certified

Product Data

• Manufacturer: ABB / General Electric
• Catalog Number: THQL1120ST1
• UPC: 783164300680
• Series: THQL Q-Line
• Product Type: Shunt Trip Circuit Breaker

Applications

• Emergency shutdown systems
• Fire alarm interface circuits
• HVAC remote disconnect
• Industrial control systems
• Commercial load centers
• GE Q-Line panelboards

Returns are easy

You may return items within 30 days of delivery for a refund.

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