Solid State Relays
Industrial, 1-Phase ZS (IO) w. LED and Built-in Varistor
Types RM 23, RM 40, RM 48, RM 60
• Zero switching (RM1A) or instant-on
switching (RM1B) AC Solid State Relay
• Direct copper bonding (DCB) technology
• LED indication
• Built-in varistor 230, 400, 480 V
• Clip-on IP 20 protection cover
• Self-lifting terminals
• Housing free of moulding mass
• 2 input ranges: 4.5-32 VDC and 24-265 VAC/24-190 VDC
• Operational ratings up to 100 AACrms and 600 VAC
• Non-repetitive voltage: Up to 1400 Vp
• Opto-insulation: > 4000 VACrms
Product Description
Ordering Key
RM 1 A 23 D 25
The industrial, 1-phase relay with DC control input can be Solid State Relay
with antiparallel thyristor out- used for phase control. The Number of poles
put is the most widely used built-in varistor secures tran- Switching mode
industrial SSR due to its mul- sient protection for the heavy Rated operational voltage
tiple application possibilities. industrial applications, and Control voltage
The relay can be used for the LED indicates the status Rated operational current
resistive,
inductive
and of the control input. The clip-
capacitive loads. The zero on cover is securing touch
switching relay switches ON protection to IP 20. Protect-
when the sinusoidal curve ed output terminals can take
crosses zero and switches cables up to 16 mm2.
OFF when the current cross-
es zero. The instant-on relay
Type Selection
Switching mode
Rated operational
voltage
Control voltage
Rated operational
current
A: Zero Switching
B: Instant-on switching
23: 230 VACrms
40: 400 VACrms
48: 480 VACrms
60: 600 VACrms
24 - 265 VAC
24 - 190 VDC
D:4.5 - 32 VDC
25: 25 AACrms
50: 50 AACrms
75: 75 AACrms
100: 100 AACrms
A:
Selection Guide
Rated opera- Non-rep. Control
tional voltage voltage voltage
Rated operational current
25 A
50 A
75 A
100 A
230 VACrms
400 VACrms
650 Vp 4.5 - 32 VDC
RM1A23D25
RM1A23D50
RM1A23A50
RM1A23D75
RM1A23A75
RM1A23D100
RM1A23A100
24 to 265 VAC RM1A23A25
24 to 190 VDC
850 Vp 4.5 - 32 VDC
RM1A40D25
RM1A40D50
RM1A40A50
RM1A40D75
RM1A40A75
RM1A40D100
RM1A40A100
24 to 265 VAC RM1A40A25
24 to 190 VDC
480 VACrms 1200 Vp 4.5 - 32 VDC
RM1A48D25
RM1A48D50
RM1A48A50
RM1A48D75
RM1A48A75
RM1A48D100
RM1A48A100
24 to 265 VAC RM1A48A25
24 to 190 VDC
600 VACrms 1400 Vp 4.5 - 32 VDC
RM1A60D25
RM1A60D50
RM1A60A50
RM1A60D75
RM1A60A75
RM1A60D100
RM1A60A100
24 to 265 VAC RM1A60A25
24 to 190 VDC
Specifications are subject to change without notice (28.02.01)
1