ABB CT-C Series DIN Rail, Snap-On Timer Relay, 2-Contact, 24 → 48 V dc 24V ac, 240 V ac, 0.05 s → 10 min,

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MYR446.23

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RS Stock No.:
210-4298
Mfr. Part No.:
1SVR508210R0100
Manufacturer:
ABB
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Brand

ABB

Product Type

Timer Relay

Mount Type

DIN Rail, Snap-On

Function

Star-Delta

Time Range

0.05 s → 10 min

Number of Contacts

2

Switching Voltage

300V

Number of Timer Functions

1

IP Rating

IP20, IP50

Minimum Operating Temperature

-20°C

Supply DC Voltage

24 → 48 V dc

Contact Current

4A

Supply AC Voltage

24V ac, 240V ac

Maximum Operating Temperature

60°C

Terminal Type

Screw

Mode

Star-Delta

Height

70mm

Width

17.5mm

Standards/Approvals

CAN/CSA C22.2 No.14, UL 508, IEC 61812-1, EN 50581

Length

63mm

Series

CT-C

ABB Timer Relay, Star to Delta Function, 0.05s to 10min Time Range - 1SVR508210R0100


This timer relay provides adjustable star-delta sequencing for motor control and time-dependent switching in control panels. It accepts both AC and DC supplies and is designed for DIN-rail mounting in cabinet environments where selectable ingress protection is required. The unit is intended for industrial control applications that need timed transition between motor winding configurations.

Features and Benefits:


• 0.05s to 10min range delivers precise delay control for motor starts
• 24VAC, 240VAC and 24 to 48VDC inputs support varied supply systems
• Two changeover contacts carrying 4A enable modest load switching
• Screw terminals simplify secure field wiring connections
• CAN/CSA, UL, IEC approvals facilitate standards-based installations

Applications


• Suitable for motor star-delta starter sequencing in factories
• Ideal for panel-mounted timing control on DIN rails
• Used with AC and DC control supplies for flexible installation
• Can be used for timed changeover in industrial automation
• Suitable for cabinets requiring selectable IP20 or IP50 protection

What mounting method is required for installation?


It clips onto a standard DIN rail for quick panel integration.

What temperature limits must be observed during operation?


The device must operate between -20°C and 60°C.

How many timer functions and contact outputs are available?


It provides a single timer function with two switching contacts.

What Terminal style is provided for wiring?


Connections are MADE via screw-type terminals.

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