Siemens 6ES7132-4HB50-0AB0 Relay Output

Robust Relay Outputs for ET 200S Systems

This module provides 2 isolated relay outputs for driving AC and DC loads. It connects field actuators to ET 200S distributed I/O stations. Many plants rely on this unit for solenoid valves and motor contactors. The module offers complete electrical isolation between channels.

Technical Specifications

Parameter	Specification
Model	6ES7132-4HB50-0AB0
Dimensions	35 mm × 125 mm × 68 mm (W × H × D)
Weight	0.10 kg
Power Supply	24 V DC (from backplane bus)
Power Consumption	1.2 W typical
Output Channels	2 relay outputs
Output Type	Form-A (SPST-NO)
Contact Configuration	1 × NO contact per channel
Switching Voltage	250 V AC / 30 V DC maximum
Switching Current	2 A (AC/DC) per contact
Switching Capacity	500 VA (AC), 60 W (DC)
Contact Resistance	≤ 100 mΩ initial
Mechanical Life	10,000,000 operations
Electrical Life	100,000 operations at rated load
Response Time	≤ 10 ms (energize), ≤ 10 ms (de-energize)
Isolation Voltage	1,500 V AC (channel-to-bus)
Coil Voltage	24 V DC
Coil Power	0.25 W per relay
Diagnostic Functions	Short-circuit detection
Status Indicators	2 LED indicators (one per channel)
Terminal Type	Spring-cage connectors (push-in)
Wire Gauge	0.2 mm² to 1.5 mm²
Operating Temperature	0°C to +55°C
Storage Temperature	-40°C to +70°C
Humidity Range	5% to 95% RH (non-condensing)
Protection Class	IP20
Certifications	CE, UL, cULus

Relay Output Configuration and Contact Design

This module features 2 independent relay outputs with normally open contacts. Each relay provides a single-pole contact for load switching applications. The contacts handle both AC and DC loads up to 2 A. This versatility supports many common field devices.

Load Switching Capabilities

The relay contacts switch voltages up to 250 V AC or 30 V DC. Each contact carries 2 A of continuous current safely. Switching capacity reaches 500 VA for AC loads and 60 W for DC. This rating suits solenoid valves, contactors, and indicator lamps.

Contact Durability and Service Life

Mechanical life reaches 10 million cycles under no-load conditions. Under rated electrical loads, contacts endure 100,000 operations. This long service life reduces replacement frequency significantly. Gold-plated contacts maintain low resistance over time.

Channel Isolation and Noise Immunity

Channel-to-bus isolation withstands 1,500 V AC for robust protection. This isolation prevents ground loops between connected loads. The module maintains reliable operation in noisy environments. Operators can connect loads from different power sources safely.

Response Time and Switching Speed

Turn-on and turn-off times remain under 10 milliseconds each. This response suits most discrete control applications. The module handles typical process demands efficiently. Faster switching does not compromise contact durability.

Power Consumption and Thermal Management

Each relay coil consumes just 0.25 W from the 24 V DC supply. Total module consumption stays at 1.2 W typical. This low power draw reduces cabinet heat load. The design supports dense module configurations without issues.

Mechanical Construction and Physical Attributes

This module measures 35 mm wide and weighs only 0.10 kg. The slim profile fits standard ET 200S racks easily. Spring-cage connectors accept wire gauges from 0.2 mm² to 1.5 mm². DIN rail mounting ensures secure and simple installation.

Status Indication and Diagnostics

Two LEDs display the status of each output channel individually. A lit LED confirms the relay coil has energized. Onboard diagnostics detect short-circuit conditions for protection. This feedback assists operators during commissioning and troubleshooting.

Certifications and Safety Compliance

The 6ES7132-4HB50-0AB0 holds CE, UL, and cULus certifications for global use. These approvals confirm compliance with international safety standards. Each module undergoes quality testing before shipment. This commitment ensures reliable relay performance in the field.