Description
The Siemens HF365A is a heavy duty fusible safety switch designed for reliable disconnecting and overcurrent protection in industrial power systems. Siemens HF365A provides a 400A rating with a 600VAC capacity and utilizes Class R fuses for high interrupting performance. It is built for secure indoor installation where dependable switching and safety are critical.
Technical Specifications
| Condition |
New/Never Used Surplus |
| Brand |
Siemens |
| Category |
Switch |
| Part Number |
HF365A |
| Subcategory |
Fusible Disconnect Switch |
| Series |
VBII Series |
| Type |
Heavy Duty Fusible Safety Switch |
| Amperage Rating |
400 A |
| Voltage Rating |
600 VAC |
| Number of Poles |
3 |
| Phase |
3 Phase |
| Number of Wires |
3 |
| Fuse Class |
Class R |
| Interrupt Rating |
200 kA @ 600 V |
| Mounting Type |
Surface Mount |
| Enclosure Type |
NEMA 1 |
| Enclosure Material |
Steel |
| Switch Mechanism |
Quick-Make Quick-Break |
| Operating Temperature |
-25°C to 70°C |
| Certifications |
UL Listed, CSA |
| Country of Origin |
Mexico |
| Weight |
92.984 lb |
Information About HF365A
The HF365A is part of the Siemens VBII series, known for its rugged construction and dependable switching performance in demanding environments. It features a fusible design with visible blades and quick-make, quick-break operation to ensure safe and efficient circuit isolation. The switch is housed in a NEMA 1 steel enclosure, making it suitable for indoor applications requiring durable protection. Designed for use in three-phase systems, it supports high interrupting capacity when used with Class R fuses, making it ideal for industrial and commercial power distribution.
Key Features:
- Heavy Duty Fusible Design: Supports Class R fuses for enhanced overcurrent protection and flexibility.
- 400 Amp Rating: Suitable for high-capacity industrial and commercial circuits.
- High Interrupt Rating: Provides up to 200 kA interrupting capacity at 600V with proper fuse selection.
- Quick-Make Quick-Break Mechanism: Ensures reliable switching performance and safety during operation.
- Visible Blade Construction: Allows clear visual confirmation of switch position for maintenance safety.
- NEMA 1 Enclosure: Steel indoor enclosure protects internal components in controlled environments.
- Three-Pole Configuration: Designed for three-phase electrical systems.
- Surface Mount Installation: Enables straightforward installation in electrical distribution setups.
The HF365A delivers the reliability and precision required for safe disconnection and protection of high-capacity electrical circuits in industrial and commercial systems.
