AurFort
ABBCT-ERS.21SABB CT-ERS.21S, manufacturer catalog image

ABB catalog image for this SKU; may represent the product family.

TIMER RELAY

CT-ERS.21S

SKU 1SVR730100R0300

ABB CT-ERS.21S: Timer relay.

CT-ERS.21SProduct range
Timer relayProduct type
1SVR730100R0300Reference
PRODUCT DATA

Technical specifications

Source: ABB English regional product catalog.
Verified September 09, 2026.

1SVR730100R0300 — selected manufacturer specifications
Product ID1SVR730100R0300
Catalog DescriptionCT-ERS.21S Time relay, ON-delay 2c/o, 24-240VAC/DC
Configuration OnlyNo
Country of OriginGermany
CriticalityNo
Lead Time999 day 0 day
Made To OrderNo
NoteNo
Product Availability ClassReplaced
Product Sales StatusActive
Quote OnlyNo
Replacement Part ID3AXD50000024551
Stocked At WarehousesBRAPR001EXPU CHNOR001EXPU CLABB001EXPU CNIAB001EXPU COABB001EXPU DEAPRMLCEXPU DKSER001EXPU DUABB001EXPU DUABB003EXPU EESER001EXPU EGAUT001EXPU ESATD001EXPU FISER001EXPU FRAUT001EXPU GBINS001EXPU GRABB001EXPU INABB039EXPU INABBRLCEXPU ITIND002EXPU NLABB021EXPU NOATDRLCEXPU SGIND002EXPU TRDMD001EXPU USABB251EXPU ZATAD021EXPU
Storage Location4001
Warranty ReturnProduct under warranty must be returned
Minimum Order Quantity1 piece
Customs Tariff Number85364900
Data Sheet, Technical Information2CDC110004C0210_01
Instructions and Manuals1SVC730050M1000 1SVC730050M0000
CAD Dimensional Drawing2CDC001079B0201
EPLAN Data9AAC201310_EPLAN
Product Net Width22.5 mm
Product Net Height85.6 mm
Product Net Depth / Length103.7 mm
Product Net Weight0.13 kg
Timer Relay TypeON-Delay
Time Range0.05 s ... 300 h
Rated Control Supply Voltage (Us)24 ... 240 V AC/DC
Rated Operational VoltageAuxiliary Circuit 250 V
Rated Frequency (f)50 / 60 Hz DC
Output2 C/O Contacts
Terminal TypeScrew 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 Capacity12 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 ProtectionHousing IP50 Terminals IP20
Overvoltage CategoryIII
Pollution Degree3
Short-Circuit Protective DevicesOutput Circuit NC - F Type Fuses 6 A Output Circuit NO - F Type Fuses 10 A
Electrical DurabilityAC-12 100000 cycle
Mechanical DurabilityNr. Operations 30000000 cycle
Connecting CapacityFlexible 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 Torque0.6 ... 0.8 N·m
Wire Stripping Length8 mm
Recommended Screw Driver0.8 x 4 4.5 Pozidriv 1
Mounting Position1 ... 6
Mounting on DIN RailTH35-15 (35 x 15 mm Mounting Rail) acc. to IEC 60715 TH35-7.5 (35 x 7.5 mm Mounting Rail) acc. to IEC 60715
StandardsCAN/CSA C22.2 No.14 IEC/EN 63000 IEC/EN 61812-1 UL 508
Maximum Operating Voltage UL/CSAOutput Circuit 300 V AC
Contact Rating UL/CSAB300
Connecting Capacity UL/CSAFlexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-14 AWG
Tightening Torque UL/CSA7.08 in·lb
Pilot Duty UL/CSAB300
Flammability According to UL94V-0
Ambient Air TemperatureOperation -40 ... +60 °C Storage -40 ... +85 °C
Maximum Operating Altitude PermissibleWithout Derating 2000 m
Conflict Minerals Reporting Template (CMRT)9AKK108467A5658
REACH Declaration1SVD981001-4501
RoHS Declaration1SVD981001-4401
RoHS InformationFollowing EU Directive 2011/65/EU and Amendment 2015/863 July 22, 2019
SCIP5485802e-e235-4ea3-bf33-618b42825631 Germany
Simplified SCIP209972b7-859a-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 - TSCA2CMT2023-006536
ABB EcoSolutionsYes
ABB EcoSolutions Profile1SFC100125C0364
Environmental Product Declaration - EPD1SAC200371M0001
CCC CertificateCCC_2007010303255979
cULus CertificatecULus508_20110711-E140448A
Declaration of Conformity - CCC2020980303000207
Declaration of Conformity - CE1SVD981008
Declaration of Conformity - UKCA1SVD981008-10
DNV GL CertificateDNV_GL_TAA00000XR
Package Level 1 Unitsbox 1 piece
Package Level 1 Width97 mm
Package Level 1 Depth / Length30 mm
Package Level 1 Height109 mm
Package Level 1 Gross Weight0.152 kg
Package Level 1 EAN4016779851442
E-Number (Finland)2712202
E-Number (Norway)4187946
E-Number (Sweden)4033114

For complete electrical ratings, applicable standards, connection requirements and installation instructions, consult the official ABB reference ↗.