Phoenix Contact PLC-RSC- 24DC/21-21/EX Series Relay Module, DIN Rail Mount, 24V dc Coil, DPDT, 2-Pole

RS Stock No.:: 175-0505
Mfr. Part No.:: 2909509
Brand:: Phoenix Contact

Phoenix Contact PLC-RSC- 24DC/21-21/EX Series Relay Module, DIN Rail Mount, 24V dc Coil, DPDT, 2-Pole

Subtotal (1 unit)*

£23.20

(exc. VAT)

£27.84

(inc. VAT)

FREE delivery for orders over £50.00

In Stock

Plus 18 unit(s) shipping from 20 October 2025
Plus 31 unit(s) shipping from 20 October 2025

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Units	Per unit
1 +	£23.20

*price indicative

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RS Stock No.:: 175-0505
Mfr. Part No.:: 2909509
Brand:: Phoenix Contact

Specifications

Technical Reference

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	Phoenix Contact
	Coil Voltage	24V dc
	Contact Configuration	DPDT
	Mounting Type	DIN Rail
	Series	PLC-RSC- 24DC/21-21/EX
	Number of Poles	2
	Maximum Input Voltage	33.6V dc
	Minimum Input Voltage	20.2V
	Switching Voltage	250V ac/dc
	Terminal Type	Screw
	Depth	94mm
	Height	80mm
	Length	14mm
	Contact Material	Silver Alloy
	Input Current	18mA
	Input Voltage Range	20.2 → 33.6V dc
	Minimum Operating Temperature	-40°C
	Dimensions	14 x 94 x 80mm
	Standards Met	CE Compliant, EN 50178, EN 60079-0, -7, -15, IEC 60664, UL Listed, USA Certified
	Special Features	IP20 Relay Base, Reinforced Insulation, Safe Isolation
	Maximum Operating Temperature	+70°C
	Turn Off Time	10ms
	Relay Switching Classification	Interface Relay Module
	Turn On Time	8ms
	Life	3 x 10^7 (Mechanical) cycles
	Operating Temperature Range	-40 → +70°C
	Accessory Type	Relay Module

	Select all
	Brand Phoenix Contact
	Coil Voltage 24V dc
	Contact Configuration DPDT
	Mounting Type DIN Rail
	Series PLC-RSC- 24DC/21-21/EX
	Number of Poles 2
	Maximum Input Voltage 33.6V dc
	Minimum Input Voltage 20.2V
	Switching Voltage 250V ac/dc
	Terminal Type Screw
	Depth 94mm
	Height 80mm
	Length 14mm
	Contact Material Silver Alloy
	Input Current 18mA
	Input Voltage Range 20.2 → 33.6V dc
	Minimum Operating Temperature -40°C
	Dimensions 14 x 94 x 80mm
	Standards Met CE Compliant, EN 50178, EN 60079-0, -7, -15, IEC 60664, UL Listed, USA Certified
	Special Features IP20 Relay Base, Reinforced Insulation, Safe Isolation
	Maximum Operating Temperature +70°C
	Turn Off Time 10ms
	Relay Switching Classification Interface Relay Module
	Turn On Time 8ms
	Life 3 x 10^7 (Mechanical) cycles
	Operating Temperature Range -40 → +70°C
	Accessory Type Relay Module

COO (Country of Origin):: DE

Phoenix Contact PLC-RSC- 24DC/21-21/EX Series Relay Module, 14mm Length, DIN Rail Mount - 2909509

This relay module provides efficient control for automation and electromechanical systems, serving as an interface for reliable circuit switching. It operates within a 24V DC input range, suitable for various applications requiring accurate relay functionality. The module complies with safety and performance standards, ensuring adherence to industry regulations.

Features & Benefits

• Two changeover contacts improve circuit control flexibility
• Mechanical relay life of 30 million cycles for longevity
• Safe isolation through reinforced insulation for enhanced reliability
• IP20 rated for dust protection, promoting optimal performance
• Turn on time of 8ms for a swift response in applications
• CE compliant, fulfilling necessary regulations

Applications

• Electrical panel for circuit switching
• Control of motors and other inductive loads
• Safety-critical systems requiring high reliability
• Harsh environment

What is the maximum and minimum input voltage this device can handle?

The device operates within an input voltage range of 20.2V to 33.6V DC.

How does the relay handle reverse polarity protection?

It features a polarity protection diode and a free-wheeling diode to prevent circuit damage.

What is the maximum switching voltage and current?

The maximum switching voltage is 250VAC/DC, with a limiting continuous current of 6A.

How can I connect this relay module to my circuit?

Connections are made via screw terminals, suitable for solid and flexible conductors ranging from 0.14mm² to 2.5mm².