Product Overview
The Siemens 6ES5441-4UA14 activates high-power field devices directly from the S5 PLC system. This output module handles demanding loads including contactors, motors, and heating elements. Industrial facilities depend on this unit for robust switching of heavy electrical equipment. The module provides reliable performance in harsh manufacturing environments.
Technical Specifications
This output module occupies a single slot in the S5 rack configuration. The Siemens 6ES5441-4UA14 offers 8 channels with substantial current handling capacity. Its relay-based outputs provide complete galvanic isolation between logic and field circuits. The module supports both AC and DC load types for versatile application.
| Parameter | Specification |
|---|---|
| Product Type | Digital Output Module (Relay Output) |
| Series Compatibility | Siemens SIMATIC S5 |
| Dimensions (W x H x D) | 25 mm x 290 mm x 210 mm |
| Weight | Approximately 0.72 kg |
| Number of Outputs | 8 relay outputs (isolated) |
| Contact Configuration | Normally open (NO) per channel |
| Switching Voltage | 250 V AC / 30 V DC maximum |
| Switching Current per Channel | 2 A (resistive load) |
| Total Current per Group | 8 A maximum |
| Switching Frequency | Up to 10 Hz (mechanical limitation) |
| Contact Material | Silver alloy with gold flashing |
| Mechanical Life | 10 million operations minimum |
| Electrical Life | 100,000 operations at rated load |
| Protection Features | No internal protection (external fusing required) |
| Electrical Isolation | 2,500 V AC between coil and contacts |
| Number of Connectors | 1 x 20-pin screw terminal block |
| Energy Storage | None (relay coils de-energize immediately) |
| Supply Voltage (coil) | 24 V DC from backplane |
| Current Consumption (coil) | 50 mA per relay (400 mA total maximum) |
| Operating Temperature | 0°C to +60°C |
| Storage Temperature | -40°C to +85°C |
Relay Output Characteristics
The Siemens 6ES5441-4UA14 uses electromechanical relays for true dry-contact switching. Its silver-alloy contacts handle high inrush currents from motor starters and solenoids. The module’s relay design provides complete isolation between PLC logic and field power. Users can switch both AC and DC loads without additional interface devices.
Protection and Maintenance
This output module requires external fuse protection for each individual channel. The Siemens 6ES5441-4UA14 includes LED indicators that show each relay’s energized state. The relay sockets feature mechanical latches for secure contact retention. Maintenance teams can replace individual relays when they reach end of life.
Installation and Wiring
Users connect field devices to the terminal block using standard power wiring practices. The Siemens 6ES5441-4UA14 accepts wires up to 2.5 mm² for secure connections. Each output includes normally open contacts only for simplified circuit design. The module’s screw terminals allow reliable connections even with stranded conductors.
Application Scenarios
Process industries deploy this module for controlling pumps, heaters, and mixing equipment. Building automation uses it for HVAC damper and fan control applications. The Siemens 6ES5441-4UA14 also serves in test stands and power distribution panels.
Details
| Weight | 0.72 kg |
|---|---|
| Dimensions | 25 × 290 × 210 mm |
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