Product Model
CT-MFD.21

Selling Points
- 1Provides 7 timing functions including ON-delay, OFF-delay, impulse-ON, impulse-OFF, flasher starting with ON/OFF, and pulse former.
- 2Operates with a rated control supply voltage of 12-240 V AC/DC.
- 3Features 2 c/o (SPDT) contacts rated at 250 V / 5 A.
- 4Measures only 17.5 mm in width and 80 mm in height.
- 5Compliant with IEC/EN 61812-1, UL 508, and CAN/CSA C22.2 No.14 standards.
Technical Specifications
Detailed engineering parameters based on manufacturer documentation
Parameter | Value | Parameter | Value |
---|---|---|---|
Product Net Width | 17.5 mm | Product Net Height | 80 mm |
Product Net Depth / Length | 63 mm | Product Net Weight | 0.066 kg |
Timer Relay Type | ON-Delay OFF-Delay Impulse ON Impulse OFF Flasher Starting with ON Flasher Starting with OFF Pulse Former | Time Range | 0.05 s ... 100 h |
Rated Control Supply Voltage (Us) | 12 ... 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 (Ie) | (230 V) 5 A |
Rated Operational Current AC-15 (Ie) | (230 V) 3 A | Rated Operational Current DC-12 (Ie) | (24 V) 5 A |
Rated Operational Current DC-13 (Ie) | (24 V) 1 A | Rated Impulse Withstand Voltage (Uimp) | Input Circuit 4 kV |
Rated Insulation Voltage (Ui) | Input Circuit / Output Circuit 300 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 6 A | Connecting Capacity | Flexible 1x 0.5 ... 2.5 mm² Flexible 2x 0.5 ... 1.5 mm² Rigid 1x 0.5 ... 4 mm² Rigid 2x 0.5 ... 1.5 mm² |
Tightening Torque | 0.5 ... 0.8 N·m | Wire Stripping Length | 7 mm |
Recommended Screw Driver | 0.8 x 4 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 |
Maximum Operating Voltage UL/CSA | Output Circuit 300 V AC | Contact Rating UL/CSA | C300 |
Connecting Capacity UL/CSA | Flexible 1x 18-14 AWG Flexible 2x 18-16 AWG Rigid 1x 20-12 AWG Rigid 2x 20-16 AWG | Tightening Torque UL/CSA | 4.43 ... 7.08 in·lb |
Pilot Duty UL/CSA | C300 | Flammability According to UL94 | V-2 |
Ambient Air Temperature | Operation -20 ... +60 °C Storage -40 ... +85 °C | Maximum Operating Altitude Permissible | Without Derating 2000 m |
Object Classification Code | K | ETIM 7 | EC001439 - Timer relay |
ETIM 8 | EC001439 - Timer relay | ETIM 9 | EC001439 - Timer relay |
eClass | V11.0 : 27371605 | UNSPSC | 39122329 |
E-Number (Finland) | 2712819 | E-Number (Norway) | 4187691 |
E-Number (Sweden) | 4030176 | Manufacturer ID | 1SVR500020R1100 |
Specifications may be subject to change without notice