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ETA Thermal Circuit Breaker 20A Current Rating 5-Pole Screw Mount 240V AC 50V DC 3120-N551-H7T1-W14DR4-20A
Specifications
| Country of Origin | Tunisia |
|---|---|
| Range | 3120-N |
| Brand | ETA |
| Height | 52.4mm |
| Model | 3120-N551-H7T1-W14DR4-20A |
| Depth | 42.6mm |
| Mounting Type | Snap-in, cut-out 44.5mm x 22mm |
| Width | 25mm |
| Mount Type | Screw |
| Current Rating | 20A |
| Series | 3120-N |
| Terminal type | Screw |
| Breaking Capacity | 20A |
| Number of Poles | 5 |
| Standards/Approvals | IEC, REACH, CSA, CCC, EAC, RoHS, VDE |
| Rated AC Voltage | 240V ac |
| Rated DC Voltage | 50V dc |
| Tripping Mechanism | Thermal |
| Reset Actuator Type | Rocker |
Key Features
- The circuit breaker features a thermal tripping mechanism with a rocker type reset actuator for quick and easy resetting.
- It supports a rated AC voltage of 240V and DC voltage of 50V with 20A breaking capacity.
- Compact dimensions include width 25mm, height 52.4mm, and depth 42.6mm, allowing space-saving installation.
- Mounting is via screw type with snap-in capability, suitable for cut-outs measuring 44.5mm x 22mm.
- Complies with IEC, REACH, CSA, CCC, EAC, RoHS, and VDE standards for quality and safety.
- Its positively trip-free mechanism ensures circuit disconnection even if the actuator is blocked.
- Ideal for overload protection in motors, pumps, transformers, and cable installations.
Product Description
ETA 3120-N551-H7T1-W14DR4-20A Thermal Circuit Breaker provides circuit protection combining an ON/OFF switch function with overload protection for industrial and commercial electrical applications.
This 5-pole device features a thermal tripping mechanism activated by a bimetal trip element, enabling reliable and fast reset via a rocker actuator. The screw mounting and blade terminals with flat head screws M3.5 accommodate under voltage release modules.
Rated for 240V AC and 50V DC operation with a 20A current rating and breaking capacity, it is suitable for medium voltage control circuits. The snap-in mounting supports cut-out sizes of 44.5mm by 22mm, facilitating compact panel integration.
Constructed to IEC and international standards including REACH, CSA, CCC, EAC, RoHS, and VDE, this breaker ensures compliance with safety and environmental regulations.
The positively trip-free design prevents accidental circuit locking and guarantees disconnection under overload or fault conditions. This circuit breaker is well-suited for protecting motors, pumps, transformers, and cable runs from overload damage in industrial, manufacturing, laboratory, HVAC, and water treatment installations.
The thermal tripping mechanism offers dependable overload protection. Includes a rocker reset actuator for easy post-trip clearing. Screw mount and blade terminals support modular accessory installation. Compact size saves panel space with snap-in design.
International standard approvals ensure quality and reliability. Suitable for AC and DC control circuits up to 20A. Positively trip-free mechanism prevents unsafe actuator blocking. Explore the Electronics & Electricals category at EnvMart for more high-quality circuit breakers and protection devices.
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Frequently Asked Questions
This thermal circuit breaker has a current rating of 20A.
The dimensions are 25mm in width, 52.4mm in height, and 42.6mm in depth.
It is rated for 240V AC and 50V DC operation.
This model features screw mounting with a snap-in design suitable for cut-outs measuring 44.5mm x 22mm.
It uses a thermal tripping mechanism activated by a bimetal trip element.
The circuit breaker features a rocker type reset actuator for quick and easy resetting after a trip.
It complies with IEC, REACH, CSA, CCC, EAC, RoHS, and VDE standards.
The breaking capacity of this model is 20A.
It is suitable for overload protection in motors, pumps, transformers, and cable installations.
This model features screw terminals for connection.
The series name is 3120-N.
The country of origin for this thermal circuit breaker is Tunisia.
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