4230-T Thermal-Magnetic Miniature Circuit Breakers

E-T-A Circuit Breakers 4230-T Thermal-Magnetic Miniature Circuit Breakers (MCBs) are single-pole and multi-pole circuit breakers for DIN rail mounting with toggle actuation, visual status indication, and high rupture capacity. A positively trip-free snap action mechanism ensures reliable switching behavior. A range of trip characteristics and add-on modules make the 4230-T suitable for a variety of applications. The ETA MCBs are rated IP20 and are in accordance with EN 60947-2, UL 1077, and UL 489. E-T-A Circuit Breakers 4230-T Thermal-Magnetic MCBs are ideal for the protection of cables, motors, generators and transformers, thyristors and silicon rectifiers. The components also offer protection for computers and their peripheral equipment, industrial process control systems, telecommunications equipment, and power supplies.

Results: 419
Select Image Part # Mfr. Description Datasheet Availability Pricing (GBP) Filter the results in the table by unit price based on your quantity. Qty. RoHS ECAD Model Series Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Minimum Operating Temperature Maximum Operating Temperature Illuminated
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, C, 10A 17In Stock
41Expected 30/11/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 10 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, C, 16A 18In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 16 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 489, 3P, DM, 480VAC/60VDC, C, 15A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 15 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 40A 5In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 40 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, D, 60A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 60 A 415 VAC 3 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 25A 2In Stock
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 5A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 15A
3Expected 18/09/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, C, 30A
17Expected 09/10/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, C, 35A
20Expected 09/10/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 1.2A Non-Stocked Lead-Time 20 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 25A
3Expected 17/09/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 8A Non-Stocked Lead-Time 16 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 8 A 240 VAC 80 VDC 1 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 2P, DM, 480VAC/60VDC, B, 6A
4Expected 17/09/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 3P, DM, 480VAC/60VDC, C, 63A
1Expected 05/10/2026
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 16A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 16 A 240 VAC 80 VDC 1 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 3A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, B, 30A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 30 A 240 VAC 80 VDC 1 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, B, 15A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, B, 2A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, B, 5A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 489, 1P, DM, 277VAC/60VDC, B, 6A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 1A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic 1 A 240 VAC 80 VDC 1 Pole Toggle - 35 C + 70 C Non-Illuminated
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 16A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle
E-T-A Circuit Breakers 1077, 1P, DM, 277VAC/60VDC, C, 3A Non-Stocked Lead-Time 2 Weeks
Min.: 1
Mult.: 1

4230-T Miniature Circuit Breakers Thermal Magnetic Toggle