TEF4-ON is a frontal electronic timer used to realize the timing function and allow a compact solution in the cabinet compared to separate timers. TEF4 electronic timers are front-mounted and locked on AF, AFC contactors or NF, NFC contactor relays. A mechanical indicator allows to show the state of the contactor. TEF4 electronic timers are supplied by a direct plug-in parallel connection to the coil terminals A1 - A2 of the contactor or contactor relay. A varistor is integrated on the timer to offer a built-in protection against surges in the contactor coil. The TEF4 is available for a wide control voltage range 24...240 V AC/DC. TEF4 allow time-delayed functions up to 100 s in 3 distinct time ranges, independently of the control system. The time delay ranges are selected by a switch and the time delay can be adjusted by means of a rotary switch. The timing function of TEF4-ON is activated by closing the device on which the timer is mounted.
Technical
| Item |
Value |
| Connecting Capacity Auxiliary Circuit |
Flexible with Ferrule 1/2x 0.5 ... 2.5 mm²Flexible with Insulated Ferrule 1x 0.75 ... 2.5 mm²Flexible with Insulated Ferrule 2x 0.75 ... 1.5 mm²Rigid Solid 1/2x 1 ... 2.5 mm²Rigid Stranded 1/2x 1 ... 2.5 mm² |
| Maximum Electrical Switching Frequency |
(AC-15) 1200 cycles per hour(DC-13) 900 cycles per hour |
| Maximum Mechanical Switching Frequency |
3600 cycles per hour |
| Mounting Position |
Mounting positions 1, 1 +/- 30°, 2, 3, 4, 5 |
| Number of Auxiliary Contacts CO (SPDT) |
0 |
| Number of Auxiliary Contacts NC |
1 |
| Number of Auxiliary Contacts NO |
1 |
| Number of Poles |
2 |
| Power Loss |
at 3 A per Pole 0.1 W |
| Rated Frequency (f) |
Auxiliary Circuit 50 / 60 HzControl Circuit 50 / 60 Hz |
| Rated Impulse Withstand Voltage (Uimp) |
4 kV |
| Rated Insulation Voltage (Ui) |
acc. to IEC 60947-5-1 400 Vacc. to UL/CSA 300 V |
| Rated Operational Current AC-15 (Ie) |
(24 / 127 V) 3 A(220 / 240 V) 1.5 A |
| Rated Operational Current DC-13 (Ie) |
(24 V) 1 A / 24 W |
| Rated Operational Voltage |
Auxiliary Circuit 240 V ACAuxiliary Circuit 24 V DC |
| Rated Short-time Withstand Current Low Voltage (Icw) |
for 0.1 s 8 Afor 1 s 8 A |
| Setting Range |
0.1 ... 100 second [unit of time] |
| Standards |
IEC/EN 60947-5-1, UL 508, CSA C22-2 No. 14-18 |
| Suitable For |
AF09AF09ZAF12AF12ZAF16AF16ZAF26AF26ZAF30AF30ZAF38AF38ZAF40AF52AF65AF80AF96AFC09AFC12AFC16AFC26AFC30AFC38NF22ENFZ22ENF31ENFZ31ENF40ENFZ40ENFC22ENFC31ENFC40E |
| Terminal Type |
Screw Terminals |
| Tightening Torque |
Auxiliary Circuit 1.2 N·m |
| Timer Relay Type |
ON-Delay |
Environmental
| Item |
Value |
| Ambient Air Temperature |
Close to Contactor for Storage -40 ... +80 °COperation -25 ... +70 °C |
| Climatic Withstand |
Category B according to IEC 60947-1 Annex Q |
| Conventional Free-air Thermal Current (Ith) |
acc. to IEC 60947-5-1, Θ = 40 °C 5 A |
| Degree of Protection |
acc. to IEC 60529, IEC 60947-1, EN 60529 Auxiliary Terminals IP20 |
| Maximum Operating Altitude Permissible |
Without Derating 2000 m |
| Resistance to Vibrations acc. to IEC 60068-2-6 |
5 ... 300 Hz 3 g Closed position / 2 g Open position |
| RoHS Information |
2CMT2021-006277 |
| WEEE B2C / B2B |
Business To Business |
| WEEE Category |
5. Small Equipment (No External Dimension More Than 50 cm) |
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