Home › Manufacturers › Siemens › 3TH4373-0AP0

Siemens

Siemens 3TH4373-0AP0 Contactor Relay - 7 NO + 3 NC

Siemens 3TH4373-0AP0 Contactor Relay with 7 NO + 3 NC contacts.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

In Stock — Ready to Ship

ManufacturerSiemens

Part number3TH4373-0AP0

Manufacturer Siemens

Part Number 3TH4373-0AP0

Type Contactor Relay

Contacts 7 NO + 3 NC

Get a price for 3TH4373-0AP0

Response within 1 business hour

🛡

12-month warranty

All units tested

⚡

Same-day dispatch

Order by 2pm CST

🌐

Worldwide delivery

US, EU, Asia, Middle East

🎖

Veteran-owned

CAGE: 9NK75

7 Normally Open (NO) contacts 3 Normally Closed (NC) contacts AC operation Dual frequency coil voltage Screw terminals EN 50011 compliant

Product description

The Siemens 3TH4373-0AP0 is a high-capacity contactor relay designed for robust control applications. It features 7 normally open (NO) and 3 normally closed (NC) auxiliary contacts, providing extensive switching capabilities. This relay operates on AC power, with coil voltages rated for 230V AC at 50Hz and 277V AC at 60Hz, ensuring compatibility with common industrial power supplies. It is equipped with secure screw terminals for reliable wiring.

This contactor relay is ideal for demanding applications such as motor control, complex automation sequences, and control panel building where a high number of auxiliary contacts are required. It serves industries including manufacturing, energy, and infrastructure.

Stanlo Automation, a veteran-owned distributor of surplus industrial automation parts, offers the Siemens 3TH4373-0AP0. We are committed to providing quality components and excellent customer service, ensuring you can efficiently source the parts needed to keep your operations running smoothly.

Technical specifications

Manufacturer	Siemens
Part Number	3TH4373-0AP0
Type	Contactor Relay
Contacts	7 NO + 3 NC
Operation	AC
Coil Voltage	230V AC 50Hz / 277V AC 60Hz
Termination	Screw Terminal

Common applications

Motor control

Automation sequences

Control panels

Manufacturing

Energy

Infrastructure

Industrial control

Compatible systems

General industrial control systems requiring 7 NO and 3 NC auxiliary contacts.

Also known as

Siemens 3TH4373 relay 7NO 3NC Siemens contactor Siemens industrial relay 230V

Replaces / compatible with

This contactor relay is suitable for control systems requiring a significant number of auxiliary contacts. Refer to Siemens technical documentation for specific compatibility information.

Technical note

Expert tip

The 230V/277V AC coil allows for versatile application in both 50Hz and 60Hz industrial environments.

What happens next?

Email confirmation

Immediate receipt acknowledgment sent to you

Account manager assigned

Confirms your part's spec and condition

Your quote delivered

Tailored to your specific requirements

Frequently asked questions

What are the AC coil voltage ratings for the Siemens 3TH4373-0AP0 contactor relay?

The Siemens 3TH4373-0AP0 contactor relay operates with a dual AC coil voltage rating: 230V AC at 50Hz and 277V AC at 60Hz. This dual rating provides flexibility in its application across different power systems.