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Small clear glass T3-1/4 bulb with miniature bayonet base

Eaton

Eaton 10250ED986-4 6.3V incandescent miniature bulb

SKU CH-PMEM-AJZRH

6.3 V miniature bayonet incandescent bulb rated at 1 W and 5,000 hours

  • 3 V AC operation suits low-voltage control circuits
  • Miniature bayonet base fits standard BA9s sockets
  • 1 watt draw keeps panel power consumption low
  • 5 000 hour rated life reduces replacement frequency
  • CE, CSA and UL certifications confirm safety compliance

6.3V Miniature Incandescent Bulb

The Eaton 10250ED986-4 is a T3-1/4 miniature bayonet (BA9s) incandescent lamp rated for 6.3V AC and 1W. It produces 4 lumens of white light and is CE certified, CSA certified and UL listed for use in compatible electrical starters and contactors.

Miniature Bayonet Mounting

The BA9s base allows direct insertion into matching sockets without tools, simplifying replacement in control panels or indicator assemblies. Rated for 5,000 hours of operation, the non-dimmable lamp maintains consistent output in fixed-voltage circuits where frequent cycling is not required.

Trade Number 267 Identification

The bulb carries trade number 267 for cross-referencing against equipment bills of material and maintenance schedules. A one-year manufacturer warranty covers the lamp when installed in accordance with the listed certifications.

How it compares

Measured against everything we stock in Contactors, Relays & Motor Starters, at today’s prices. Recalculated every night.

Price $28.99
Cheaper than about 75% of the 1,098 comparable items (median $61.99).

Specifications

Product
Brand nameEATON

Questions about this item

What voltage does the 6.3V AC miniature bayonet bulb require?

The Eaton 10250ED986-4 operates on 6.3V AC and draws 1 W, so it is limited to low-voltage control circuits.

What base and shape does the BA9s bulb use for panel mounting?

It has a miniature bayonet (BA9s) base with a T3-1/4 tubular shape, designed for standard indicator sockets.

How is the Trade 267 bulb installed, and what common mistake should be avoided?

Align the bayonet pins with the socket slots, push in, and twist to lock; forcing it without alignment bends the pins.

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