SOR 1520 OEM Flow Switch - Manual (Page 3)

Form 454 (11.13) ©SOR Inc. 3/8
Do not exceed catalog stated
electrical ratings. Improper current
input to switch will cause permanent
damage to contacts.
Electrical Connection
Ensure that wiring conforms to all applicable local and national electrical codes and install
unit(s) according to relevant national and local safety codes.
Electrical connection is free wire leads with a 1/2”
NPT(F) conduit connection. Use two wrenches –
one to hold hex conduit connection, the other to
tighten conduit fitting. Switching element is a
hermetically sealed reed switch.
Common
Black Lead
Normally Open
White Lead
Normally
Open Blue Lead Common
Black Lead
SPDT
Reed Switch
Capsule
SPST
Reed Switch
Capsule
Normally Closed
White Lead
Wiring Schematic
Special Conditions for Safe Use
The permanently attached leads must be suitably protected against mechanical damage and
terminated in a suitable junction or terminal facility with a minimum degree of protection of
at least IP20.0.
This apparatus may have a combined nameplate which carries multiple approvals
(intrinsically safe and flameproof). The equipment should be marked as to which protection
method it is installed as and shall not be changed or utilized in any other means than was
originally marked by the end user.