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- Part number
- 1SVR730100R0300
- Model no
- CT-ERS.21S
In stock · 23
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· From Türkiye
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- CE
- CSA
- RoHS
- CCC
CT-SABB 1SVR730100R0300 CT-ERS.21S ON-Delay Timer Relay 2C/O 24-240VAC/DC CT-S Series
Description
About the CT-ERS.21S
About the CT-ERS.21S
The ABB CT-ERS.21S (SKU: 1SVR730100R0300) is an ON-delay timer relay from the CT-S series, featuring a 2-changeover output contact and a wide supply voltage range of 24–240V AC/DC. Designed for industrial automation and control panel applications, the CT-ERS.21S provides reliable, precise time-delayed switching for machinery sequencing, HVAC control, and process automation. Its compact 22.5 mm DIN rail form factor simplifies panel integration.
Certifications & Standards
- CE: Conformité Européenne — meets EU safety, health, and environmental protection requirements
- UKCA: UK Conformity Assessed — meets UK market regulatory requirements post-Brexit
- cULus: Listed to both UL (US) and CSA (Canadian) safety standards for industrial control equipment
- UL 508: UL standard for industrial control equipment
- CSA C22.2 No.14: Canadian Standards Association standard for industrial control equipment
- CCC: China Compulsory Certification for the Chinese market
- IEC/EN 61812-1: International/European standard for time relays for industrial and residential use
- IEC/EN 63000: Technical documentation for assessment of electrical and electronic products with respect to the restriction of hazardous substances
- REACH: Compliant with EU REACH regulation (Registration, Evaluation, Authorisation and Restriction of Chemicals)
- RoHS: Restriction of Hazardous Substances — compliant with EU RoHS Directive, restricting use of hazardous materials in electrical equipment
Applications & Use Cases
- Machine sequencing and start-up delay control in industrial automation
- HVAC system fan and compressor delay-on start
- Conveyor belt and motor start-delay protection
- Process control panels requiring precise ON-delay timing
- Building automation and lighting control systems
Specification
Full specification
Dimensions 4
| Product Net Width | 22.5 mm |
|---|---|
| Product Net Height | 85.6 mm |
| Product Net Depth / Length | 103.7 mm |
| Product Net Weight | 0.13 kg |
Technical 27
| 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, DC |
| Output | 2 C/O Contacts |
| Terminal Type | Screw 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, 100 mA |
| Rated Impulse Withstand Voltage (Uimp) | Input Circuit 4 kV, Output Circuit 1 / Output Circuit 2 4 kV |
| Rated Insulation Voltage (Ui) | Input Circuit / Output Circuit 500 V, Output Circuit 1 / Output Circuit 2 300 V |
| Degree of Protection | Housing IP50, Terminals IP20 |
| Overvoltage Category | III |
| Pollution Degree | 3 |
| Short-Circuit Protective Devices | Output Circuit NC - F Type Fuses 6 A, Output Circuit NO - F Type Fuses 10 A |
| Electrical Durability | AC-12 100000 cycle |
| Mechanical Durability | Nr. Operations 30000000 cycle |
| Connecting Capacity | Flexible with Ferrule 1x 0.5 ... 2.5 mm², Flexible with Ferrule 2x 0.5 ... 1.5 mm², Flexible with Insulated Ferrule 1x 0.5 ... 2.5 mm², Flexible with Insulated Ferrule 2x 0.5 ... 1.5 mm², Flexible 1x 0.5 ... 2.5 mm², Flexible 2x 0.5 ... 1.5 mm², Rigid 1x 0.5 ... 4 mm², Rigid 2x 0.5 ... 2.5 mm² |
| Tightening Torque | 0.6 ... 0.8 N·m |
| Wire Stripping Length | 8 mm |
| Recommended Screw Driver | 0.8 x 4, 4.5, Pozidriv 1 |
| Mounting Position | 1 ... 6 |
| Mounting on DIN Rail | TH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715, TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715 |
| Standards | CAN/CSA C22.2 No.14, IEC/EN 63000, IEC/EN 61812-1, UL 508 |
Technical UL/CSA 6
| Maximum Operating Voltage UL/CSA | Output Circuit 300 V AC |
|---|---|
| Contact Rating UL/CSA | B300 |
| Connecting Capacity UL/CSA | Flexible 1x 18-14 AWG, Flexible 2x 18-16 AWG, Rigid 1x 20-12 AWG, Rigid 2x 20-14 AWG |
| Tightening Torque UL/CSA | 7.08 in·lb |
| Pilot Duty UL/CSA | B300 |
| Flammability According to UL94 | V-0 |
Show all 69 specifications ↓ Show less ↑32 more values in Identification, Environmental, Material Compliance, External Classifications and Standards, Logistics.
Identification 10
| Part number | 1SVR730100R0300 |
|---|---|
| Type designation | CT-ERS.21S |
| Brand | ABB |
| Condition | New, factory sealed |
| Source | ABB and its authorised distributors |
| Warranty | Manufacturer warranty |
| EAN | 4016779851442 |
| eCl@ss | 27371605 |
| Minimum Order Quantity | 1 piece |
| Customs Tariff Number | 85364900 |
Environmental 2
| Ambient Air Temperature | Operation -40 ... +60 °C, Storage -40 ... +85 °C |
|---|---|
| Maximum Operating Altitude Permissible | Without Derating 2000 m |
Material Compliance 6
| REACH Declaration | 1SVD981001-4501 |
|---|---|
| RoHS Declaration | 1SVD981001-4401 |
| RoHS Information | Following EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019 |
| SCIP | 5485802e-e235-4ea3-bf33-618b42825631 Germany |
| Simplified SCIP | 209972b7-859a-4fb2-8b0f-e361fad1fd6b Finland, 279ac3d7-29c3-4e9e-8ab6-0f5ca4e43898 Belgium, 28a3d296-abcb-4d43-a570-a2410dd67fe4 Bulgaria, 2a8507de-b861-47d2-8786-13c284d9cc70 Czechia, 2c1063b9-ec8a-462b-ae09-a2845e8ff242 Estonia, 306d9b20-ca49-40cd-b305-946318a9ac50 Croatia, 3186d703-c823-4323-87ed-cea8ea26cbfe Poland, 3e9ad309-3c33-438f-8cc7-1a91151fbbf4 Germany, 4e78cdde-8584-4920-be9c-9c7f076b8580 Norway, 601056c3-b780-4395-a5ab-6f3551f242f4 Greece, 692b71ef-8707-4367-87aa-c068b695db71 Italy, 7153f2da-08f9-4c26-8a3b-f5b698285a1c Denmark, 9475ff58-7344-4813-8d9b-7dc1c1b7df7e Portugal, a0532892-af93-4c96-9b4f-f86435b09b50 Sweden, a4bc944a-b4b1-4fec-bfc7-1e9e46e6c825 Sweden, ac96064a-e528-4b75-86a8-111e36b28c5a France, b1086757-cd72-4caa-9aa2-c15b5e52eadc Germany, b1ce2b2a-2406-489a-9813-4100cf262469 Germany, bc7bbc45-38a5-4fd8-8a58-68a129277ff0 Hungary, c5a9949f-248f-4604-9592-5adc508d32b7 Spain, ccbf252c-d38e-48ed-847b-fb54608568b2 Poland, d4f52204-8146-4e52-bfcc-bd2ed661cc3f Hungary, d7d32d30-9382-4552-80fc-f8c3cd03d1b8 Germany, db36b80a-64c3-469c-871a-9fa74ba50eeb Poland, e4b0416c-2e55-408a-aab5-5f6f324230de Belgium, f02fda13-d9f0-42a2-930e-4bbdc7171f13 France, f35db31b-c7bc-4ae4-93dc-971e1a5af0fe Netherlands |
| Toxic Substances Control Act - TSCA | 2CMT2023-006536 |
External Classifications and Standards 4
| ETIM 7 | EC001439 - Timer relay |
|---|---|
| eClass | V11.0 : 27371605 |
| UNSPSC | 39122329 |
| E-Number (Sweden) | 4033114 |
Logistics 10
| Package Level 1 Units | box 1 piece |
|---|---|
| Package Level 1 Width | 97 mm |
| Package Level 1 Depth / Length | 30 mm |
| Package Level 1 Height | 109 mm |
| Package Level 1 Gross Weight | 0.152 kg |
| Package Level 1 EAN | 4016779851442 |
| Shipping weight | 0.152 kg |
| Ships from | Türkiye |
| Dispatch | 11 Nov |
| Stock | In stock |
Source: manufacturer data · Last verified: 30 Oct 2026
Documents
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Certifications
Certifications and standards
- CE
- CSA
- RoHS
- CCC
- CAN/CSA C22.2 No.14
- IEC/EN 63000
- IEC/EN 61812-1
- UL 508
Quick answers
Questions about the CT-ERS.21S
What is the HS code of CT-ERS.21S for customs?
The tariff (HS) code on file for CT-ERS.21S is 85364900.
What is the EAN of CT-ERS.21S?
The EAN (GTIN) of CT-ERS.21S is 4016779851442.
Where does CT-ERS.21S ship from, and how fast?
CT-ERS.21S ships from Türkiye. Shipping calculated at checkout · import duties and taxes paid on arrival. Stock items are dispatched within 1–2 business days.
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Series
ABB CT-S
- Brand
- ABB
- Series
- CT-S
