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GE TEY320 20 A three-pole bolt-on molded-case breaker, grey plastic body with lug terminals

GE

GE TEY320 20 A 3-Pole Bolt-On Circuit Breaker

SKU CH-FK0M-NVYBR

A 20 A three-pole bolt-on molded-case circuit breaker rated 277/480 V AC and 250 V DC with a 14 kA interrupting rating for GE AE lighting panels

  • Product typeCircuit Breakers
  • 20 A three-pole protection for balanced three-phase loads
  • 14 kA interrupting rating at 277/480 V AC for reliable fault clearing
  • Thermal-magnetic trip with fixed 575 A instantaneous setting for consistent response
  • Bolt-on mounting fits GE AE lighting panels for secure installation
  • 125 A frame in compact 5.25 × 3.0 × 3.06 in enclosure saves panel space

Product identity

The GE TEY320 is a 20 A three-pole molded case circuit breaker designed for bolt-on installation in GE AE lighting panels. It suits electricians and facility managers who need standard thermal-magnetic protection on 277/480 V AC or 250 V DC three-phase circuits.

Accessory impact

The breaker ships with a terminal connection lug so conductors can be landed directly without separate hardware. No additional software or configuration tools are included; the fixed instantaneous trip and 575 A high-amp setting are factory-set and not field-adjustable.

Compatibility checks

Verify that the panelboard accepts bolt-on TEY frame breakers and that the available space accommodates a 5.25 in height by 3.0 in width by 3.06 in depth envelope. Confirm the system voltage does not exceed 277/480 V AC or 250 V DC and that the available fault current is within the 14 kA interrupting rating.

How it compares

Measured against everything we stock in Breakers & Circuit Protection, at today’s prices. Recalculated every night.

Price $447.99
Pricier than about 90% of the 1,135 comparable items (median $54.99).

Specifications

Product
Brand nameGeneral Electric
Model nameTEY320
Product typeCircuit Breakers

Questions about this item

Will the thermal-magnetic trip unit need periodic recalibration or replacement?

The trip unit is factory-sealed and not field-adjustable; if it ever fails to trip on overload or short-circuit the entire breaker must be replaced.

What is the first limit reached when the breaker runs continuously at 20 A?

The 14 kA interrupting rating at 277/480 V AC is the hard ceiling; sustained loads must stay below 20 A per pole to avoid thermal tripping.

How much heat does the three-pole assembly add to the panel when fully loaded all day?

With a 125 A frame and bolt-on lugs the breaker runs warm but stays within the panel's design temperature rise; no forced cooling is required.

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