© 2016 TELEDYNE RELAYS (800) 284-7007 • www.teledynerelays.com S Page 1
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Series S
Single Output to 660 Vac
AC/DC Control
FEATURES/BENEFITS
• Industry standard package
• Internal snubber (except S60 models)
• Designed for all types of loads
• AC or DC control available
• Excellent thermal performance
• Tight zero-cross window for low EMI
• High immunity to surges
DESCRIPTION
The Series S single-phase relays are designed for
all types of loads. The design incorporates an SCR
or triac output. The relays utilize optical isolation to
protect the control from load transients. All contain an
internal snubber for output protection. High-current
models are excellent for motor and phase angle
control.
APPLICATIONS
• Heating control
• Motor control
• Uninterruptible power supplies
• Light dimmers
• Industrial and process control
• On/Off controls of AC equipment
APPROVALS
S24 and S48 models are UL recognized.
UL File Number: E128555.
MECHANICAL SPECIFICATION
TOLERANCES: p.01 (0.3) WEIGHT: 3.18 oz. (90g)
1~ 2~
4- 3+
1.1 (28)
Ø.19 (Ø4.7)
1.7 (43.2)
1.87 (47.6)
.26 (7.5)
.2 (5.1)
1 (25.4)
1.75 (44.5)
M4
M3
2.29 (58.2)
1.06 (27)
.77 (19.6)
.9 (22.8)
(p0.5)
1.02 (25.8)
(p.02)
Figure 1 — S relays, 12–95 A;
dimensions in inches (mm)
125A model uses larger M5 output screw terminals
4–
3+
-
+
1
2
* 1-2 can be changed
* SSR must be mounted on a heat sink
Line Protection
LOAD
Line Voltage
Control
Figure 2 — S relays
TYPICAL APPLICATION
NOTES
1) Line Voltage (nominal): 24 = 240 Vac; 48 = 480 Vac; 60 = 600 Vac
2) Switch Type: R = Random turn-on; D = Zero-cross turn-on;
A = AC control, Zero-cross turn-on
3) Feature: -22 = Low Vac control. Available on A type models
Part Number Example: S48A25-22
For RoHS Compliant Contact Factory
Part No. Load
Voltage Load
Current Control
Voltage Switch
Type
S24D25 12–280 Vrms 25A 4–30 Vdc Zero Cross
S24D25M 12–280 Vrms 25A 4–30 Vdc Zero Cross
S24R40 12–280 Vrms 40A 3–30 Vdc Random
S24D40 12–280 Vrms 40A 4–30 Vdc Zero Cross
S24A40 12–280 Vrms 40A 90–240 Vac/Vdc Zero Cross
S48D25 24–520 Vrms 25A 5–30 Vdc Zero Cross
S48R50 24–520 Vrms 50A 4–30 Vdc Random
S48D50 24–520 Vrms 50A 5–30 Vdc Zero Cross
S48A50 24–520 Vrms 50A 90–240 Vac/Vdc Zero Cross
S48A50-22 24–520 Vrms 50A 17–80 Vac/Vdc Zero Cross
S48R75 24–520 Vrms 75A 90–240 Vac/Vdc Zero Cross
S48R125-22 24–520 Vrms 125A 17–80 Vac/Vdc Zero Cross
S48R125 24–520 Vrms 125A 4–30 Vdc Random
S48A125 24–520 Vrms 125A 90–240 Vac/Vdc Zero Cross
S60D125 24–660 Vrms 125A 7–30 Vdc Zero Cross