Specifications are subject to change without notice (22.12.99) 1
Plug Output Time range Sup.: 24 VAC Sup.: 115 VAC Sup.: 230 VAC Sup.: 400 VAC Sup.: 24 VDC
Circ. SPDT with 0.15 -800 s S 115 186 024 S 115 186 115 S 115 186 230 S 115 186 400 S 115 186 724
neutral
centre
Timers
Multi time range, plug-in star-
delta control relays with 4
selectable time ranges up to
800 s. Used in applications
Housing
Type/function
Output
Power supply
where motors are started in a
star-delta configuration such
as large blowers etc.
Time ranges 0.15 - 3 s
Selectable by DIP-switch 0.6 - 12 s
5 - 100 s
40 - 800 s
Delay
between star and delta output Typically 100 ms
Time range accuracy 0 to +10% on max.
min. actual time ≤min.
set time
Repeatability deviation ≤1%
Time variation
Within rated power supply ≤0.05%/V
and ambient temperature ≤0.2%/°C
Reset power supply interruption
Time and/or relay
In star position: ≥250 ms
In delta position: ≥600 ms
interruption ≥900 ms:
restart
interruption ≤300 ms:
remains in delta position
Output SPDT relay
Basic electrical insulation
250 VAC (rms) (contact.elec.,
contact/contact)
Contact ratings (AgCdO) µ (micro gap)
Resistive loads AC 1 10 A/250 VAC (2500 VA)
DC 1 1 A/250 VDC (250 W)
or 10 A/25 VDC (250 W)
Small inductive loads AC 15 2.5 A/230 VAC
DC 13 5 A/24 VDC
Mechanical life ≥30 x 106operations
Electrical life AC 1 ≥2.5 x 105operations
(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 µs) (cont./elec.)
(IEC 60664)
• 4 selectable time ranges: 0.15 s to 800 s
• Automatic start
• Knob-adjustable time within range
• Fixed delay between star and delta output
• Oscillator-controlled time circuit
• Repeatability deviation: ≤1%
• Output: 10 A SPDT relay with neutral centre position
• Plug-in type module
• S-housing
• LED-indication for star and delta outputs
• AC or DC power supply
Star-Delta Control Relay
Type S 115
Product Description Ordering Key
Type Selection
Time Specifications Output Specifications
S 115 186 024
2Specifications are subject to change without notice (22.12.99)
Time-ranges for
star-position
DIP-switch selector (1 & 2).
0.15 - 3 s
0.6 - 12 s
5 - 100 s
40 - 800 s
S 115
Power supply AC types Installation cat. III (IEC 60664)
Rated operational voltage
through pins 2 & 10 400 400 VAC ± 15%, 45 to 65 Hz
230 230 VAC ± 15%, 45 to 65 Hz
115 115 VAC ± 15%, 45 to 65 Hz
024 24 VAC ± 15%, 45 to 65 Hz
Drop-out tolerance ≥40 ms
Rated insulation voltage ≥2.0 kVAC (rms)
Rated transient protection volt. 4 kV (1.2/50 µs)
(line/neutral)
Power supply DC type Installation cat. III (IEC 60664)
Rated operational volt. 724 24 VDC ± 15% (pin 2 pos.)
Rated insulation voltage None
Rated transient protection volt. 800 V (1.2/50 µs)
Consumption AC supply 2.5 VA
DC supply 1.5 W
Power ON delay ≤200 ms
Power OFF delay In star position: ≥150 ms
In delta position: ≥600 ms
Indication for
Delta output ON LED, green
Star output ON LED, red
Environment
Dregree of protection IP 20 B
Pollution degree 2 (IEC 60664)
Operating temperature -20° to +50°C (-4° to +122°F)
Storage temperature -50° to +85°C (-58° to +185°F)
Weight AC supply 200 g
DC supply 125 g
Approvals UL, CSA
CE-marking Yes
The relay is normally in neutral
centreposition. When power
supply is applied, the relay is
switched to star position (pin
4) and the star time period
starts.
At the end of the set time
period, the relay returns to
neutral centre position and
the fixed delay between star
and delta starts.
At the end of this delay,
approx. 100 ms, the relay is
switched to delta-position
(pin 3).
If power supply is interrupted
during the star time period for
min. 250 ms, the star time
period is repeated.
If power supply is interrupted
after the star time period for at
least 900 ms, the entire se-
quence is repeated.
Power supply
Time setting
Knob-adjustable on scale in
per cent of max. time.
DIP-switches for selecting
time are placed behind a small
removable front plate on the
time relay.
Sockets◊S 411
Hold down spring◊HF
Mounting rack SM 13
Socket covers BB 4
Potentiometer lock PL 3
Front mounting bezel FRS 2
For further information refer to "Accessories".
> 900 ms < 300 ms> 250 ms
100 ms 100 ms
12
Power supply
Star output pins 1 & 4
Delta output pins 1 & 3
Supply Specifications General Specifications
Mode of Operation Wiring Diagram
AccessoriesFunction/Time Setting
Operation Diagram
