Safety System Circuit Breaker | HIMA ETA2210 4A H7201
Manufacturer: HIMA
-
Part Number: ETA2210 4A H7201
Condition：New with Original Package
Product Type: Miniature Circuit Breakers
-
Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
HIMA ETA2210 4A H7201 Thermal-Magnetic Circuit Breaker
The HIMA ETA2210 4A H7201, also cataloged as the ETA2210 Thermal-Magnetic Circuit Breaker, operates as a dedicated hardware component for overcurrent protection within HIMA safety system power distribution circuits.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | ETA2210 4A H7201 |
| Brand | HIMA |
| Origin | Germany |
| Component Type | Thermal-Magnetic Circuit Breaker |
| Rated Current | 4 A |
| Voltage Rating | Up to 250 VAC / 65 VDC |
| Trip Mechanism | Trip-free toggle (thermal and magnetic) |
| Mounting Style | Panel Mount |
| Terminal Type | Recessed screw terminals |
| Auxiliary Contacts | Optional (1 NO or 1 NC) |
| Weight | 0.2 kg |
| Dimensions | Height 100 mm |
| Operating Temp | Standard cabinet environment limits |
| Power Consumption | Passive Component |
| Protection Standard | EN 60934 / IEC 60934 |
| Certifications | CE, UL, FCC |
Functional Safety & Overcurrent Protection Attributes
The unit provides instantaneous magnetic trip execution for high-current short circuits and timed thermal tripping for sustained low-level overloads, enforcing critical circuit safety across logic supply lines. The trip-free toggle mechanism prevents manual overrides during active electrical faults, ensuring positive contact opening and deterministic fail-safe state execution. Galvanic isolation across open contacts protects connected logic racks and downstream field instruments from overcurrent degradation.
Frequently Asked Questions
Q: How does the trip-free toggle mechanism ensure system safety during an active fault?
A: The internal latch mechanism forces the contacts to open during overcurrent conditions, preventing operators from manually forcing or holding the switch in the ON position during a persistent electrical fault.
Q: Can the optional auxiliary contacts be integrated into control system diagnostic loops?
A: Yes, the optional 1 NO or 1 NC auxiliary contact provides dedicated potential-free status feedback to indicate circuit breaker trip conditions directly to system monitoring hardware.
Field Installation Guidelines
Execute the following steps during panel construction and electrical wiring:
- Mount the unit securely onto the panel cutout using designated panel-mount hardware.
- Strip control wiring conductors to standard length and insert them into the recessed screw terminals.
- Torque all terminal connections securely to prevent localized heat buildup caused by loose contact resistance.
- Verify that supply line operating parameters do not exceed 250 VAC or 65 VDC prior to closing the circuit.
- Wire optional auxiliary status contact circuits into separate low-voltage diagnostic channels using segregated cable routing.