American Power Conversion UK · Electronic Components
257/03
Meter, Modulation
Part Number257/03
ManufacturerAmerican Power Conversion UK
AvailabilityAvailable to order — request a quote
Specifications
NSN6625-01-452-5761 (NSN)
Federal Item NameMETER,MODULATION
Federal Supply Class6625 — Test Instruments
Indicator TypeDIAL W/POINTER
Style DesignatorRECTANGULAR OR SQUARE
Circuit Current For Which DesignedAC
PhaseSINGLE
Overall Height105.0 MILLIMETERS NOMINAL
Measurement Range+1.5 TO 2000.0 KILOHERTZ SINGLE INDICATOR ALL RANGES
Installation DesignBENCH OR HANDHELD
Operating Voltage Rating In Volts115.0 AC NOMINAL
Frequency Rating48.0 HERTZ MINIMUM AND 60.0 HERTZ MAXIMUM
Overall Length305.0 MILLIMETERS NOMINAL
Circuit Attachment Method And Quan4 CONNECTOR, PLUG
ESD/EMICode A — ESD/EMI sensitive item
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 257/03 available?
We can source 257/03 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 257/03 by American Power Conversion UK obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 257/03 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 257/03?
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 257/03?
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.