Home › Manufacturers › Siemens › 3TX7004-3PB74

Siemens

Siemens 3TX7004-3PB74 Optocoupler - 3A, 30 V DC, Short-Circuit Proof

Siemens 3TX7004-3PB74 Optocoupler with 3A, 30V DC, short-circuit proof.

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

In Stock — Ready to Ship

ManufacturerSiemens

Part number3TX7004-3PB74

Type Optocoupler

Output type HL

Current rating 3 A

Voltage 30 V DC

Get a price for 3TX7004-3PB74

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

HL output type 3 A current capacity 30 V DC operation Short-circuit proof Narrow 6.2 mm enclosure width Output coupling

Product description

The Siemens 3TX7004-3PB74 is an output coupling optocoupler designed for DC applications. It features an 'HL' output type, capable of handling up to 3 A at 30 V DC, and includes short-circuit protection. This unit has a narrow enclosure width of 6.2 mm.

This optocoupler is ideal for robust DC load control where protection against overcurrent or short circuits is essential. Its high current rating and integrated protection make it suitable for demanding industrial environments and machine control applications.

Stanlo Automation, a veteran-owned surplus parts distributor, can help you source the Siemens 3TX7004-3PB74. As a phased-out product, it may be difficult to find, but we are dedicated to providing solutions for your automation needs.

Technical specifications

Type	Optocoupler
Output type	HL
Current rating	3 A
Voltage	30 V DC
Features	Short-circuit proof
Width	6.2 mm

Common applications

DC load control

Machine safety circuits

Industrial automation

High-current switching

Control panels

Compatible systems

General automation control systems

Also known as

Siemens 3TX7004-3PB74 DC switch 3A short circuit proof optocoupler

Replaces / compatible with

This part is a phased-out product. Please contact sales for specific replacement information or compatible alternatives.

Technical note

Expert tip

The short-circuit proofing on the 3TX7004-3PB74 is a critical safety feature for DC loads, preventing damage to the optocoupler and potentially other system components during fault conditions.

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

Does the Siemens 3TX7004-3PB74 optocoupler offer any protection features?

Yes, the Siemens 3TX7004-3PB74 optocoupler is short-circuit proof. This feature protects the unit and connected circuitry in case of a short circuit on the load side, up to its 3A/30V DC rating.