Advantages of the 70-SM Module System
Magnecraft plug in modules are
available in many variations allowing
coverage for most applications on
the market. The Metal Oxide Varis-
tor (MOV) circuit protects by shunt-
ing potentially damaging electrical
spikes away from the relay coil. The
Resistor Capacitor (R/C) circuit snubs
back Electro Motive Force (EMF) of
relay coil. The Diode circuit protects
external drive circuitry from inductive
voltages generated when removing
coil voltage. Finally, the Light Emitting
Diode (LED) circuit is to quickly inform
the user when power is present at the
coil. All of the plug in modules con-
nect their respective circuits in parallel
with the relay coil. No additional
wiring is required, and the modules fit
within maximum dimensions of relay
and socket.
Diode Circuit
Protects External Drive Circuitry
from Inductive Voltages Generated
when Removing Coil Voltage.
Polarity Sensitive.
SECTION 3
LED Circuit
LED Status Lamp Verifies that Power is
Being Supplied to the Coil. Ideal for
Both AC and DC Applications,
Polarity Sensitive for DC Application.
The Complete
System
Solution!
Modules
Plugging a module into a socket, connects
the circuit in parallel with the relay coil.
No additional wiring is required. No additional
tools are required. The modules fit within the
maximum dimensions of both the relay and socket.
3/2
M a gn e c r a ft S o lu t io n G ui de 1 0 5 A
RC Circuit
Snubs Back EMF of Relay Coil.
Optimized Size
No Wider than the Socket.
Metal Oxide Varistor Circuit
Protects by Shunting Potentially
Damaging Electrical Spikes Away
from the Relay Coil. Ideal for AC
and DC Applications.
www.magnecraft.com
Magnecra f t So l u t io n Gu i de 1 0 5 A
847-441-2540
3/3
SECTION 3
www.magnecraft.com
847-441-2540
BOLD-FACED PART NUMBERS ARE NORMALLY STOCKED
70-ASMM-24
A
MOV Suppressor
24 VAC/VDC
A
MOV Suppressor
120/240 VAC/VDC
70-ASMM-120
A
R/C Suppressor
6 - 24 VAC/VDC
70-ASMR-24
A
R/C Suppressor
110/240 VAC/VDC
70-ASMR-240
70-783D11-1
(Sec. 2, p.10-11)
70-784D14-1
(Sec. 2, p.12-13)
70-750DL8-1
(Sec. 2, p.30-31)
70-750DL11-1
(Sec. 2, p.30-31)
70-750EL8-1
(Sec. 2, p.26-27)
70-750EL11-1
(Sec. 2, p.26-27)
70-750E8-1
(Sec. 2, p.28-29)
70-750E11-1
(Sec. 2, p.28-29)
70-788EL11-1
(Sec. 2, p.24-25)
Part Number Builder
70-
A
Series
Package Style
Module Family
A
SM
Socket Module
M
Function
M=M.O.V. (Metal Oxide Varistor)
R= Resistor/Capacitor
D= Diode
LG= LED, Green
-24
Input Voltage
24
120
240
250
Metal Oxide Varistor Circuit
Protects by Shunting Potentially
Damaging Electrical Spikes Away
from the Relay Coil. Ideal for AC
and DC Applications.
LED Circuit
LED Status Lamp Verifies that Power is
Being Supplied to the Coil. Ideal for
Both AC and DC Applications,
Polarity Sensitive for DC Application.
RC Circuit
Snubs Back EMF of Relay Coil.
Optimized Size
No Wider than the Socket.
Diode Circuit
Protects External Drive
Circuitry from Inductive
Voltages Generated when
Removing Coil Voltage.
Ideal for DC Applications.
Polarity Sensitive.
Mag necraf t S ol u t io n Gu ide 1 0 5 A
Modules
Plugging a module into a socket, connects
the circuit in parallel with the relay and
coil. No additional wiring is required. No
additional tools are required. The modules
fit within the maximum dimensions of both
the relay and socket.
3/5
SECTION 3
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