Phoenix Contact Development and Manufacturing · Electronic Components
CB TM1 4A SFB P
Circuit Breaker
Part NumberCB TM1 4A SFB P
ManufacturerPhoenix Contact Development and Manufacturing
AvailabilityAvailable to order — request a quote
Specifications
NSN5925-01-708-0268 (NSN)
Federal Item NameCIRCUIT BREAKER
Federal Supply Class5925 — Circuit Breakers
Reset MethodELECTRIC
Trip Release MethodTHERMAL-MAGNETIC SINGLE LOCATION
Maximum Continuous Load Current Ra4.0 AMPERES DC SINGLE LOCATION
Terminal Type And Quantity5 PIN
Trip Release CharacteristicINSTANTANEOUS SINGLE LOCATION
Unpackaged Unit Weight41.50 GRAMS NOMINAL
Operating Voltage Type And Rating50.0 DC SINGLE LOCATION
Body Height77.3 MILLIMETERS NOMINAL
Pole Quantity1
Body StyleSINGLE POLE TYPE
Body Length90.0 MILLIMETERS NOMINAL
Vendor Part Numbers2800839
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 CB TM1 4A SFB P available?
We can source CB TM1 4A SFB P 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 CB TM1 4A SFB P by Phoenix Contact Development and Manufacturing obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If CB TM1 4A SFB P 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 CB TM1 4A SFB P?
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 CB TM1 4A SFB P?
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.