| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Housing Material | |
| Illumination | |
| Insulation Resistance | |
| Mounting Type | |
| Number of Poles | |
| Operating Temperature | |
| Storage Temperature | |
| Voltage Rating |
The E-T-A 4220-T110-K0M1-H121-A-3A is a single-pole thermal-magnetic circuit breaker designed for reliable overcurrent protection. It features a current rating of 3A and a voltage rating of 277V AC, with an auxiliary circuit rating of DC 10-30V, 10-500mA resistive.
This circuit breaker offers a high rupture capacity of up to 6 kA according to IEC 60934 and 5 kA according to UL 489 and UL 1077. It is built with a toggle actuation and a positively trip-free mechanism. The device operates within an ambient temperature range of -30°C to +60°C.
Designed for ease of installation, the 4220-T110-K0M1-H121-A-3A features a track-mountable design with a width of only 12.5 mm per pole, suitable for mounting on symmetrical rails (EN 50022-35x7.5). Its housing is constructed from moulded material.
Typical applications include the protection of power supplies, equipment, and cables in industrial settings such as automation, petro-chemical plants, and power plants. It also supports auxiliary contacts as an optional feature.
| Qty | Low | High |
|---|---|---|
| 1+ | $0.99 | $0.99 |
Estimated market price range - modelled values for guidance only, not live distributor offers.
The current rating is 3A.
The voltage rating is 277V AC and 60V DC.
This circuit breaker has 1 pole.
It uses a lever actuator.
The operating temperature range is -30°C to +60°C.
It is designed for DIN rail mounting.