Timers Two-state Relay Type SG 125 Two-state relay with built-in memory Time ranges: 0.15 s to 3 s Switches, with a preset delay, to opposite contact position at power supply interruption Repeatability deviation: 1% Output: 8 A SPDT relay Plug-in type module S-housing LED-indication for relay on AC or DC power supply Product Description Ordering Key SG 125 024 Two-state, plug-in time relays tion where it remains. Often Housing with built-in memory and timer used in applications with two Function up to 3 s. When interrupting pumps in order to prevent the Output power supply, the contact same pump from always start- Type switches after an adjustable ing first. Power supply delay to the opposite posi- Type Selection Plug Output Time range Supply: 24 VAC Supply: 115 VAC Supply: 230 VAC Supply: 24 VDC Circular SPDT 0.15 -3 s SG 125 024 SG 125 115 SG 125 230 SG 125 724 Time Specifications Output Specifications Time ranges 0.15 - 3 s SPDT relay Basic electrical insulation 250 VAC (rms) Time range accuracy 0 to +20% on max. (contact/electronics) min. actual time min. set time Contact ratings (AgCdO) (micro gap) Resistive loads AC 1 10 A/250 VAC (2000 VA) Repeatability deviation 1% DC 1 1 A/250 VDC (100 W) Time variation or 4 A/25 VDC (100 W) Within rated power supply 0.2%/C Small inductive loads AC 15 2.5 A/230 VAC and ambient temperature 0.05%/V DC 13 5 A/24 VDC Reset set delay 6 Mechanical life 30 x 10 operations Electrical life 5 AC 1 2.5 x 10 operations (at max. load) Operating frequency 7200 operations/h Insulation voltages Rated insulation voltage 2.0 kVAC (rms) (cont./elec.) Rated transient protection volt. 4 kV (1.2/50 s) (cont./elec.) (IEC 664) Specifications are subject to change without notice 1SG 125 General Specifications Supply Specifications Power supply AC types Installation cat. III (IEC 664) Power ON time 1 s Rated operational voltage Power OFF delay set delay through pins 2 & 10 230 230 VAC 15%, 45 to 65 Hz Indication for 115 115 VAC 15%, 45 to 65 Hz Output ON LED. red 024 24 VAC 15%, 45 to 65 Hz Drop-out tolerance 40 ms Environment Rated insulation voltage 2.0 kVAC (RMS) Degree of protection IP 20 B (supply/elec.) Pollution degree 2 (IEC 664) Rated transient protection volt. 4 kV (1.2/50 s) Operating temperature -20 to +50C (-4 to +122F) (line/neutral) Storage temperature -50 to +85C (-58 to +185F) Power supply DC type Installation cat. III (IEC 664) Weight AC types 200 g Rated operational volt. 724 24 VDC 15% (pin 2 pos.) DC types 125 g Rated insulation voltage None Approvals UL, CSA, SEV Rated transient protection volt. 800 V (1.2/50 s) Consumption AC supply 2.5 VA DC supply 1.5 W Mode of Operation Wiring Diagram When interrupting power sup- The relay contact remains in ply, however, after a delay of its present position (pins 1 0.15 - 3 s set on the poten- and 4 or pins 1 and 3) when tiometer the contact switch- power supply is applied. es to the opposite position where it remains. Power supply Accessories Time Setting Socket S 411 0.15 - 3 s. Hold down spring HF Knob-adjustable on relative Mounting rack SM 13 scale. Socket cover BB 4 Front mounting bezel FRS2 Potentiometer lock PL For further information refer toAccessorie. For other AC/DC voltages refer toGeneral Informatio. Operation Diagram Power supply Relay ON, pins 1 & 3 Relay ON, pins 1 & 4 2 Specifications are subject to change without notice