Ram Meter Inc. · Electronic Components
MSB401
Shunt, Instrument
Part NumberMSB401
ManufacturerRam Meter Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-00-500-8890 (NSN)
Federal Item NameSHUNT,INSTRUMENT
Federal Supply Class6625 — Test Instruments
Overall Width1.750 INCHES NOMINAL
Mounting MethodUNTHREADED HOLE(S)
Terminal LocationEND
Current Rating And Type400.0 AMPERES NOMINAL AC
Voltage Drop In Millivolts50.0 NOMINAL
Terminal Type And Quantity2 SCREW
Unthreaded Mounting Hole Diameter0.205 INCHES NOMINAL
Center To Center Distance Between1.250 INCHES NOMINAL
Overall Length3.250 INCHES NOMINAL
Usage DesignEXTERNAL
Mounting Provision Quantity2
RH Electronics, Inc. — independent stocking distributor since 1982.
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Every shipment inspected on receipt · ISO 9001:2015 · ANSI/ESD S20.20 · ERAI member since 1998 · GIDEP participant
Frequently asked
Is MSB401 available?
We can source MSB401 even if it isn't in our active stock list. As an independent distributor we reach inventory outside the franchise channel — including hard-to-find and obsolete parts. Send us a quote request.
Is MSB401 by Ram Meter Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If MSB401 has been discontinued, we can often source remaining stock or qualified alternates. Contact us with your quantity and target date.
How does RH Electronics verify parts like MSB401?
Every incoming shipment is inspected under our ISO 9001:2015 quality system — documentation, markings, and construction checked against known-good references. For deeper analysis, we direct work through accredited independent labs. We've been an ERAI member since 1998 and a GIDEP participant.
Can you find a cross-reference or alternate for MSB401?
Yes. Our team reads part numbers the way they were designed — decoding family, speed, temperature grade, package, and reliability level — to identify acceptable alternates when the exact part isn't available. Submit a quote request and we'll advise.