Product Description
ABB CT-APS.21S Time Relay
Overview
The ABB CT-APS.21S is an electronic time relay from the CT-S timer range. It offers an OFF-delay (delay on break) function, with adjustable time ranges from 0.05 s to 300 h. This time relay operates with a 24-240 V AC/DC control supply voltage and features a 2 c/o (SPDT) output for versatile switching capabilities.
Key Features
-
Time Range: 0.05 s to 300 h.
-
Control Supply Voltage: 24-240 V AC/DC.
-
Output: 2 c/o (SPDT) contacts for flexible switching options.
-
Degree of Protection: Housing IP50, Terminals IP20.
-
Electrical Durability: AC-12 rating of 100,000 cycles.
-
Mechanical Durability: 30 million cycles.
-
Mounting: DIN Rail mountable on TH35-15 (35 x 15 mm) or TH35-7.5 (35 x 7.5 mm) according to IEC 60715.
Technical Specifications
| Parameter |
Details |
| Timer Relay Type |
OFF-Delay (Delay on Break) |
| Time Range |
0.05 s ... 300 h |
| Rated Control Supply Voltage (Us) |
24 ... 240 V AC/DC |
| Rated Operational Voltage |
Auxiliary Circuit 250 V |
| Rated Frequency (f) |
50 / 60 Hz DC |
| Output |
2 c/o (SPDT) contacts |
| Terminal Type |
Screw Terminals |
| Rated Operational Current AC-12 |
4 A (230 V) |
| Rated Operational Current AC-15 |
3 A (230 V) |
| Rated Operational Current DC-12 |
4 A (24 V) |
| Rated Operational Current DC-13 |
2 A (24 V) |
| Minimum Switching Capacity |
12 V, 100 mA |
| Rated Impulse Withstand Voltage |
Input Circuit 4 kV, Output Circuit 4 kV |
| Rated Insulation Voltage (Ui) |
Input/Output Circuit 500 V, Output Circuit 300 V |
| Overvoltage Category |
III |
| Pollution Degree |
3 |
| Electrical Durability |
AC-12 100,000 cycles |
| Mechanical Durability |
30,000,000 cycles |
| Connecting Capacity |
Flexible with Ferrule (0.5 ... 4 mm²), Rigid (0.5 ... 4 mm²) |
| Tightening Torque |
0.6 ... 0.8 N·m |
| Wire Stripping Length |
8 mm |
| Mounting Position |
1 ... 6 |
| Mounting on DIN Rail |
TH35-15 (35 x 15 mm) and TH35-7.5 (35 x 7.5 mm) |
Environmental Specifications
-
Ambient Air Temperature:
-
Operation: -40 ... +60 °C
-
Storage: -40 ... +85 °C
-
Maximum Operating Altitude: 2000 m (without derating)
Certifications and Approvals
-
CQC Certificate: CT-S, Made in Germany
-
cULus Certificate: E140448A
-
CE, UKCA, CCC: Conformity to relevant standards
-
DNV GL Certificate: For CT-S range time relays
Order Information
| Description |
Order Code |
| CT-APS.21S Time Relay |
1SVR730180R0300 |
Packaging and Shipping
-
Package Level 1 Units: 1 piece per box
-
Package Dimensions:
- Width: 97 mm
- Depth/Length: 30 mm
- Height: 109 mm
-
Package Gross Weight: 0.168 kg
