● ISO 9001:2015 · ANSI/ESD S20.20-2021 · ERAI Member · GIDEP · Woman-Owned Small Business 760.724.2800 · 855.RH.HAS.IT · info@rhelectronics.com
Valad Electric Heating  · Electronic Components

70-77A

Transformer, Power

Part Number70-77A
ManufacturerValad Electric Heating
AvailabilityAvailable to order — request a quote

Specifications

Federal Item NameTRANSFORMER,POWER
Federal Supply Class5950 — Coils and Transformers
Terminal Type And Quantity6 WIRE LEAD
Winding Operating Current454.0 MILLIAMPERES AC MAXIMUM SINGLE COMPONENT ALL SECONDARY
Frequency Rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
Winding Function And Quantity1 PRIMARY AND 2 SECONDARY SINGLE COMPONENT
Mounting MethodSLOT SINGLE GROUP
Mounting Facility Quantity4 SINGLE GROUP
Winding Operating Voltage110.00 AC VOLTS NOMINAL SINGLE COMPONENT ALL SECONDARY
Input Output Phase RelationshipSINGLE PHASE TO SINGLE PHASE SINGLE COMPONENT
Inclosure TypeFULLY INCLOSED
Mounting Slot Width0.125 INCHES NOMINAL SINGLE GROUP
Body Height3.000 INCHES NOMINAL
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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

Frequently asked

Is 70-77A available?
We can source 70-77A 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 70-77A by Valad Electric Heating obsolete or end-of-life?
We specialize in obsolete, end-of-life, and discontinued components. If 70-77A 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 70-77A?
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 70-77A?
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.