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Siemens HNF364SW 3-Pole Contactor - 40A AC-3

Siemens HNF364SW 3-pole contactor with aux contact.

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ManufacturerSiemens

Part numberHNF364SW

Poles 3

AC-3 Rating 40A

Aux Contacts 1 NO

Voltage 600V Max

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3-pole configuration 40A AC-3 rating Integrated auxiliary contact Industrial reliability Siemens quality

Product description

The Siemens HNF364SW is a 3-pole contactor featuring an auxiliary contact, designed for comprehensive control circuits. It offers a 40A AC-3 utilization category rating, suitable for managing three-phase motor loads. The integrated auxiliary contact provides additional signaling or interlocking capabilities.

This contactor is ideal for motor control applications requiring feedback or interlocking logic, such as in automated manufacturing lines, complex HVAC systems, and pump stations. Its design ensures reliable operation and integration into control panels.

Stanlo Automation, your veteran-owned source for surplus industrial parts, provides the Siemens HNF364SW. We help you find the components you need to maintain and upgrade your automation systems efficiently.

Technical specifications

Poles	3
AC-3 Rating	40A
Aux Contacts	1 NO
Voltage	600V Max
Series	HNF

Common applications

Motor control

HVAC systems

Pump control

Industrial automation

Control panel integration

Compatible systems

Suitable for direct motor control circuits up to 40A; auxiliary contact used in control logic.

Also known as

Siemens HNF364SW contactor HNF364SW motor starter

Replaces / compatible with

Direct replacement for Siemens HNF364SW applications. Compatible with standard HNF series accessories.

Technical note

Expert tip

The auxiliary contact on the HNF364SW is ideal for feedback signals to PLCs or for interposing relays in complex control schemes.

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Frequently asked questions

What is the function of the auxiliary contact on the HNF364SW?

The 'SW' in HNF364SW typically indicates the presence of an auxiliary contact, usually 1 Normally Open (NO). This contact can be wired into control logic for status monitoring, interlocking, or signaling purposes.