Schneider Electric Usa, Inc. · Electronic Components
B40
Heater, Thermal Release
Part NumberB40
ManufacturerSchneider Electric Usa, Inc.
AvailabilityAvailable to order — request a quote
Specifications
NSN5999-00-500-9344 (NSN)
Federal Item NameHEATER,THERMAL RELEASE
Federal Supply Class5999 — Miscellaneous Electrical Components
Vendor Part NumbersB40.0
Cancelled NSN5945-00-021-1083 (cancelled)
ESD/EMICode B — ESD/EMI sensitive item
Shaft Length3.375 INCHES NOMINAL
Actuator TypeSINGLE SHAFT
Terminal Type And Quantity3 TAB, SOLDER LUG
Ambient Temp In Deg Celsius Per Se70.0 SINGLE SECTION
Power Dissipation Rating Per Secti0.5 FREE AIR SINGLE SECTION
Resistance Tolerance Per Section I-20.0 TO 20.0 SINGLE SECTION
Terminal LocationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
Body StyleCYLINDRICAL BUSHING MOUNTED
Mounting MethodSTANDARD BUSHING
Screw Thread Quantity Per Inch32.0
Electrical Resistance Per Section100.000 KILOHMS SINGLE SECTION
Section Quantity1
Maximum Starting Torque2.70 INCH-OUNCES
Function Conformity Tolerance Per-0.50 TO 0.50 SINGLE SECTION
Effective Electrical Rotation In D5400.0 NOMINAL
Maximum Running Torque2.00 INCH-OUNCES
Function Conformity Per SectionSINGLE SECTION INDEPENDENT LINEARITY
FSC Application DataMK61MOD0 FLUSHING STAND FUEL TANK
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 B40 available?
We can source B40 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 B40 by Schneider Electric Usa, Inc. obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If B40 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 B40?
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 B40?
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.