Name: Weidmuller PRO RM 20 Power Supply Redundancy Module - INOSAKI
SKU: Weidmuller-2486100000
Price: 189.19 USD
Availability: InStock

Technical Overview

24VDC, 48A redundancy module ensures system availability, operating from -40 to 70°C.

Key Features

Connects two power supplies for redundant operation.
Compensates for the failure of one power supply unit.
Increases overall system availability and reliability.
Maintains stable 24 V control voltage upon power supply failure.
Utilizes MOSFETs for optimum efficiency.
Compact design allows for easy integration into existing installations.
Features PUSH IN connection system for simplified wiring.
Designed for DIN top-hat rail mounting.
IP20 protection degree suitable for cabinet installation.
Wide operating temperature range from -40 °C to 70 °C.

Technical Specification Matrix

Parameter	Value
Type of accessory/spare part	Redundancy module
Nominal Power Consumption	480 VA
Output Power	952 W
Rated Input Voltage	24 V DC
DC Input Voltage Range	10 … 32 V DC
Max. Output Current	48 A
Rated Output Voltage	VINPUT-typ. 0.2 V
Input Current	2 × 24 A (-40 °C ~ +45 °C), 2 × 20 A (+45 °C ~ +60 °C), 2 × 15 A (+70 °C)
Operating Temperature	-40 °C...70 °C
Storage Temperature	-40 °C...85 °C
Humidity	5-95% relative humidity, Tu = 40°C, without condensation
Protection Degree	IP20
Connection System	PUSH IN
Mounting Type	DIN top-hat rail
Efficiency	> 98%
Physical Weight (kg)	0.05
Dimensions L x W x H (cm)	12.5 x 3.8 x 13

Industrial Applications

1. Industrial Automation Control Systems

Ensuring continuous operation of critical components like PLCs, HMI panels, and sensors in factory automation lines to prevent costly downtime.

Problem Solved

Prevents system shutdowns or malfunctions caused by a single power supply failure, maintaining a stable 24 VDC control voltage and allowing for hot-swapping or repair without interrupting production. The module's 48A output and 24VDC input are ideal for common industrial control voltages.

PLCHMISCADA24 VDCpower reliabilityfault tolerancecontinuous operation

2. Process Control in Harsh Environments

Providing redundant power to distributed control systems (DCS) or field instrumentation in challenging environments such as chemical plants or oil & gas refineries, where temperature fluctuations are common.

Problem Solved

Guarantees the power integrity of critical process controllers and instrumentation, even with a power source failure, supported by its wide operating temperature range of -40 °C to 70 °C and IP20 rating suitable for enclosed cabinet installations.

DCSfield instrumentationchemical processingoil & gaswater treatment-40 °C to 70 °CIP20uninterrupted power

3. Critical Building Management Systems (BMS)

Supplying redundant 24 VDC power to essential safety and security systems like fire alarms, access controls, or emergency lighting within large commercial or industrial buildings.

Problem Solved

Ensures that vital safety and security systems remain operational during a power supply fault, which is critical for human safety and property protection. This significantly increases the system's availability and reliability, leveraging the 24VDC output and 48A capability for robust system support.

BMSfire alarmsecurity systemsaccess controlemergency lighting24 VDChigh availabilitysafety critical