ABB CT-MFD.21 Series DIN Rail Timer Relay, 2-Contact, 12 to 240 V dc 240 V ac, 0.05 to 360000 s, Multifunction-Function,

RS Stock No.:: 746-7107
Distrelec Article No.:: 304-01-616
Mfr. Part No.:: 1SVR500020R1100 CT-MFD.21
Manufacturer:: ABB

ABB CT-MFD.21 Series DIN Rail Timer Relay, 2-Contact, 12 to 240 V dc 240 V ac, 0.05 to 360000 s, Multifunction-Function,

View all Timer Relays

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Subtotal (1 unit)*

HK$739.90

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In Stock

Plus 23 unit(s) shipping from 16 March 2026
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Units	Per unit
1 - 24	HK$739.90
25 - 49	HK$719.20
50 +	HK$689.60

*price indicative

RS Stock No.:: 746-7107
Distrelec Article No.:: 304-01-616
Mfr. Part No.:: 1SVR500020R1100 CT-MFD.21
Manufacturer:: ABB

Specifications

Product overview and Technical data sheets

Legislation and Compliance

Product Details

Find similar products by selecting one or more attributes.

Select all	Attribute	Value
	Brand	ABB
	Product Type	Timer Relay
	Mount Type	DIN Rail
	Function	Undervoltage Monitoring, Flasher, 90° Offset, Multifunction
	Time Range	0.05 to 360000 s
	Number of Contacts	2
	Switching Voltage	250 V ac
	Number of Timer Functions	Multifunction
	Contact Configuration	DPDT
	IP Rating	IP20, IP50
	Supply DC Voltage	12 to 240 V dc
	Supply AC Voltage	240 V ac
	Minimum Operating Temperature	-20°C
	Contact Current	5A
	Terminal Type	Screw
	Maximum Operating Temperature	60°C
	Length	80mm
	Standards/Approvals	DIN VDE 0435 part 2021, C-Tick, GOST, CCC, CB scheme, UL 508, IEC 61812‑1, EN 61812‑1+A11, CAN/CSA C22.2 No.14, CE
	Height	63mm
	Width	17.5 mm
	Series	CT-MFD.21

	Select all
	Brand ABB
	Product Type Timer Relay
	Mount Type DIN Rail
	Function Undervoltage Monitoring, Flasher, 90° Offset, Multifunction
	Time Range 0.05 to 360000 s
	Number of Contacts 2
	Switching Voltage 250 V ac
	Number of Timer Functions Multifunction
	Contact Configuration DPDT
	IP Rating IP20, IP50
	Supply DC Voltage 12 to 240 V dc
	Supply AC Voltage 240 V ac
	Minimum Operating Temperature -20°C
	Contact Current 5A
	Terminal Type Screw
	Maximum Operating Temperature 60°C
	Length 80mm
	Standards/Approvals DIN VDE 0435 part 2021, C-Tick, GOST, CCC, CB scheme, UL 508, IEC 61812‑1, EN 61812‑1+A11, CAN/CSA C22.2 No.14, CE
	Height 63mm
	Width 17.5 mm
	Series CT-MFD.21

ABB Timer Relay, DPDT Contact Configuration, 240V Supply Voltage - 1SVR500020R1100 CT-MFD.21

This timer relay is a compact and efficient device designed for industrial automation. With a supply voltage of 240V, it is suitable for DIN rail mounting, allowing for straightforward installation. Measuring 80mm in length, 17.5mm in width, and 63mm in depth, it manages time delay functions ranging from 0.05 to 360000s, offering versatility in timing operations.

Features & Benefits

• Multi-function operation for various timing applications

• DPDT configuration accommodates complex circuit designs

• External power supply contributes to flexibility in different settings

• Cadmium-free construction enhances environmental safety

• Designed for a maximum load of 5A, ensuring robust performance

Applications

• Used for sequencing and timing in control circuits

• Ideal for automation equipment requiring timing functions

• Suitable for industrial machinery for efficient operation

• Appropriate for that require auxiliary voltage control

• Utilised in lighting circuits for delay functions

Can it operate in environments with high temperatures?

Yes, it functions effectively at temperatures up to +60°C.

Will it work with lower supply voltages?

It requires a minimum supply voltage of 12V for operation.

Is it suitable for outdoor applications?

It is primarily designed for indoor industrial use.

Can it handle inductive loads?

It supports a maximum voltage of 250V AC for various loads.

Is additional equipment needed for operation?

It operates with an external power supply for flexibility.