Official DistributorBy ABB
SKU
MPN
1SVR740100R0300
Weight
0.145 kg
The CT-ERS.21P is a single-function electronic time relay from the CT-S timer range. It provides an ON-delay (delay on make) function with 10 time ranges from 0.05 s to 300 h. This time relay operates with a rated control supply voltage of 24 - 240 V AC / DC and has a 2 c/o (SPDT) output with contacts rated at 250 V / 4 A. A sealable transparent cover for protection against unauthorized changes is available as accessory. The device offers maintenance free Easy Connect Technology with push-in terminals.
Technical Specifications
Dimensions
| Product Net Width | 22.5 mm |
| Product Net Height | 85.6 mm |
| Product Net Depth / Length | 103.7 mm |
| Product Net Weight | 0.121 kg |
Technical
| Timer Relay Type | ON-Delay |
| 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 |
| Rated Frequency (f) | DC |
| Output | 2 c/o (SPDT) contacts |
| Terminal Type | Screwless Terminals |
| Rated Operational Current AC-12 (Ie) | (230 V) 4 A |
| Rated Operational Current AC-15 (Ie) | (230 V) 3 A |
| Rated Operational Current DC-12 (Ie) | (24 V) 4 A |
| Rated Operational Current DC-13 (Ie) | (24 V) 2 A |
| Minimum switching capacity | 12 V |
| Minimum switching capacity | 100 mA |
| Rated Impulse Withstand Voltage (Uimp) | Input Circuit 4 kV |
| Rated Impulse Withstand Voltage (Uimp) | Output Circuit 1 / Output Circuit 2 4 kV |
| Rated Insulation Voltage (Ui) | Input Circuit / Output Circuit 500 V |
| Rated Insulation Voltage (Ui) | Output Circuit 1 / Output Circuit 2 300 V |
| Degree of Protection | Housing IP50 |
| Degree of Protection | Terminals IP20 |
| Overvoltage category | III |
| Pollution degree | 3 |
| Short-Circuit Protective Devices | Output Circuit NC - F Type Fuses 6 A |
| Short-Circuit Protective Devices | Output Circuit NO - F Type Fuses 10 A |
| Electrical Durability | AC-12 100000 cycle |
| Mechanical Durability | 30000000 cycle |
| Connecting Capacity | Flexible with Ferrule 2x 0.5 ... 1.5 mm² |
| Connecting Capacity | Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm² |
| Connecting Capacity | Flexible 2x 0.5 ... 1.5 mm² |
| Connecting Capacity | Rigid 2x 0.5 ... 1.5 mm² |
| Wire Stripping Length | 8 mm |
| Mounting Position | 1 ... 6 |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 |
| Mounting on DIN Rail | TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 |
| Standards | CAN/CSA C22.2 No.14 |
| Standards | IEC/EN 63000 |
| Standards | IEC/EN 61812-1 |
| Standards | UL 508 |
Technical UL/CSA
| Maximum Operating Voltage UL/CSA | Output Circuit 300 V AC |
| Contact Rating UL/CSA | B300 |
| Connecting Capacity UL/CSA | Flexible 2x 18-16 AWG |
| Connecting Capacity UL/CSA | Rigid 2x 20-16 AWG |
| Pilot Duty UL/CSA | B300 |
| Flammability According to UL94 | V-0 |
Why Proax for ABB CT-ERS.21P?
Proax is an authorized distributor of ABB CT-ERS.21P and one of ABB's largest distributors in North America. Our highly skilled in-house technical team is ready to assist with any technical needs.
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Additional Information
| Alternate Names | CTERS21P |
| Pack Size | 1 |
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