| Category | |
| Manufacturer Name | |
| Actuator Type | |
| Approval Agency | |
| Breaker Type | |
| Current Rating | |
| Current Rating (Amps) | |
| Illumination | |
| Insulation Resistance | |
| Mounting Type | |
| Number of Poles | |
| Operating Temperature | |
| Storage Temperature | |
| Voltage Rating |
The Schurter Inc. 3-128-230 is a 2-pole thermal circuit breaker from the TA36 series. It features rocker actuation and is designed for panel mounting applications.
This circuit breaker has a rated voltage of 240 VAC (IEC) and 277 VAC (UL/CSA), with a DC voltage rating of 32 VDC for single pole and 60 VDC for double pole configurations. The rated current range is from 0.05 to 20 A AC, with a magnetic release up to 16 A. It offers a conditional short circuit capacity of 2 kA at 240 VAC.
Key technical specifications include a degree of protection of IP40 on the front side, dielectric strength greater than 2.5 kV (50 Hz) and 4 kV (1.2/50 μs impulse), and insulation resistance greater than 100 MΩ at 500 VDC. The mechanical lifetime is rated at 50,000 switching cycles.
Environmental considerations include an operating temperature range of -30 °C to 60 °C and a storage temperature range of -40 °C to 60 °C. The device also exhibits vibration resistance and shock resistance as per IEC standards.
The 3-128-230 is rated for 240 VAC (IEC) and 277 VAC (UL/CSA). For DC, the 2-pole configuration is rated for 60 VDC.
The allowable operating temperature range is -30 °C to 60 °C.
It uses a rocker actuator.
It is a panel mount circuit breaker.
The mechanical lifetime is a minimum of 50,000 switching cycles.
The front side has IP40 protection according to IEC 60529.