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| Timers Multi-function Type A 109 - Delay on operate - Interval timer * 5 selectable time ranges: A 109 ...M: 1 s to 10 m A 109 ...H: 1 m to 10 h * Automatic start * Knob-adjustable time within range * Oscillator-controlled time circuit * Repeatability deviation: 1% * Output: 10 A SPDT or 8 A DPDT relay * Plug-in type module * LED-indication for relay on * AC or DC power supply * 2 selectable functions: Product Description Multi-function, multi-voltage, miniature time relays up to 10 h each covering 3 selectable time ranges. The combination of functions causes these economical timers to be extensively applied, e.g. monitoring pumps or where a time function is needed to extend a certain operation. Ordering Key Function Type Output Power supply Time range A 109 156 220M Type Selection Plug Circular Output SPDT DPDT Time ranges 1 s - 10 m 1 m -10 h 1 s - 10 m 1 m -10 h Supply: 120 VAC, 24 VAC/DC A 109 156 120M A 109 156 120H A 109 166 120M A 109 166 120H Supply: 220 VAC, 24 VAC/DC A 109 156 220M A 109 156 220H A 109 166 220M A 109 166 220H Time Specifications Time ranges Selectable by DIP-switch A 109 ... ...M A 109 ... ...H 1 s - 10 s 1 m - 10 m 10 s - 100 s 10 m - 100 m 1 m - 10 m 1 h - 10 h 0 to +30% on max. min. actual time min. set time Repeatability deviation Time variation Within rated power supply and ambient temperature Reset Time and/or relay 1% 0.2%/C 0.05%/V Power supply interruption min. 500 ms Time range accuracy Output Specifications Output Basic electrical insulation Contact ratings (AgCdO) Resistive loads AC 1 DC 1 or Small inductive loads AC 15 DC 13 Mechanical life Electrical life AC 1 Operating frequency Insulation voltages Rated insulation voltage Rated transient protection volt. A 109 156 SPDT relay 250 VAC (rms) (contact/electronics) (micro gap) 10 A/250 VAC (2500 VA) 1 A/250 VDC (250 W) 10 A/25 VDC (250 W) 2.5 A/230 VAC 5 A/24 VDC 30 x 106 operations 2.5 x 105 operations (at max. load) 7200 operations/h 2.0 kVAC (rms)(contact/electronics) 4 kV (1.2/50 s) (contact/electronics) (IEC 60664) A 109 166 DPDT relay 250 VAC (rms)(contacts/elec., contact/contact) (micro gap) 8 A/250 VAC (2000 VA) 0.4 A/250 VDC (100 W) 4 A/25 VDC (100 W) 2.5 A/230 VAC 5 A/24 VDC 30 x 106 operations 2.5 x 105 operations (at max. load) 7200 operations/h 2.0 kVAC (rms) (contact/electronics) 4 kV (1.2/50 s)(contact/electronics) (IEC 60664) Specifications are subject to change without notice (25.10.99) 1 A 109 Supply Specifications Power supply AC types Rated operational voltage through pins 2 & 10 220 120 or pins 6 & 10 Dropout tolerance Rated insulation voltage Rated transient protection volt. Installation cat. III (IEC 60664) 220 VAC + 15/- 20%, 45 to 65 Hz 120 VAC + 15/- 20%, 45 to 65 Hz 24 VAC + 15/- 20%, 45 to 65 Hz 10 ms None 4 kV (1.2/50 s) @ 230 VAC 2.5 kV (1.2/50 s) @ 120 VAC 800 V (1.2/50 s) @ 24 VAC (line/neutral) General Specifications Power ON delay Power OFF delay Indication for Output ON Environment Degree of protection Pollution degree Operating temperature Storage temperature Weight 500 ms 500 ms LED, red IP 20 B 2 (IEC 60664) -20 to +50C (-4 to +122F) -40 to +80C (-40 to +176F) 85 g 24 VDC 15% 24 VDC + 15/- 20% (pin 6 pos.) Rated insulation voltage None Rated transient protection volt. 800 V (1.2/50 s) Consumption AC supply 60 mA @ 50 Hz/ 70 mA @ 60 Hz DC supply 1W Power supply DC types Rated operational voltage through pins 6 & 10 Mode of Operation Example 1 Delay on operate The delay period begins when power supply is applied. At the end of the set delay period, the relay will operate and not release again until power supply is disconnected. After disconnection of power supply, a recovery period of 500 ms should be allowed before the relay is activated again. If power supply is removed for more than 500 ms before the relay operates, the time is reset and the relay is ready for a new time period. Example 2 Interval timer The relay operates and the time period starts when power supply is applied. At the end of the set delay period, the relay releases and will not operate again until power supply is reapplied. A recovery period of 500 ms should be allowed before the relay is activated again. If power supply is removed for more than 500 ms before the time has expired, the relay releases and the time is reset. Wiring Diagrams Power supply Power supply 120 or 220 VAC 24 VAC/DC Function/Time Setting Selection of time range DIP-switch selector (1 & 2). Time ranges A 109 ... ...M A 109 ... ...H 1 - 10 s 10 - 100 s 1 - 10 m 1 - 10 m 10 - 100 m 1 - 10 h Selection of function DIP-switch selector (3). 1. Delay on operate 2. Interval timer Time setting: Knob-adjustable on relative scale 1-10. Accessories Socket Hold down spring Mounting rack Socket cover Potentiometer lock S 411 HF SM 13 BB 4 PL 1 For further information refer to "Accessories". For other AC/DC voltages refer to "General Information". Operation Diagram Power supply Example 1: Relay on Example 2: Relay on 2 Specifications are subject to change without notice (25.10.99) |
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