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Square analog panel meter with white dial marked 0 to 300 AC V, polycarbonate case and window, mounting hardware included

Value Brand

Value Brand 12G407 Analog Panel Meter AC Voltage 0-300V

SKU CH-Z3KZ-K3WEK

Analog panel meter measures AC voltage from 0 to 300 V with ±1.5 % accuracy in a 3.5-inch glass-filled polycarbonate case

  • Product typeElectronic
  • Measures AC voltage up to 300 V
  • Accuracy within 1.5 % of reading
  • 5-inch case fits standard panel cutouts
  • 10 % glass-filled polycarbonate case resists impact
  • Moving-iron movement needs no external power

ZORO SELECT 12G407 Analog AC Voltage Meter

The ZORO SELECT 12G407 is a 3.5 inch analog panel meter designed to measure AC voltage from 0 to 300 volts. It uses a moving iron movement and delivers accuracy within +/- 1.5 percent. The case is 10 percent glass filled polycarbonate with a polycarbonate window. This instrument suits panel builders and maintenance technicians who need a direct reading AC voltage indicator.

Suited for panel monitoring and fixed installations

This meter fits panels that require a 3.5 inch cutout and AC voltage monitoring up to 300 volts. Buyers needing DC measurement, a different voltage range, or digital readout should look at other instruments. It is not intended for portable handheld use or for circuits exceeding the stated range. The UL listing supports compliance in many electrical installations.

Straightforward panel mounting

Installation uses the included mounting template and mounting screws for a standard panel cutout. The case design accepts the supplied hardware without extra brackets. Common issues include wiring the meter to a circuit beyond the 300 volt AC limit or using it on DC supplies, which the moving iron movement does not support. Verify the panel cutout matches the 3.5 inch size before mounting.

How it compares

Measured against everything we stock in Meters, Testers & Measuring Tools, at today’s prices. Recalculated every night.

Price $34.99
Cheaper than about 62% of the 3,030 comparable items (median $54.99).

Specifications

Product
Brand nameZORO SELECT
Product typeElectronic

Questions about this item

Does the meter need a separate DC power source to operate?

No, the moving-iron movement is powered directly by the AC voltage being measured across the 0-300 V range.

Can the 3.5-inch case replace my old 3.5-inch panel cutout without drilling new holes?

The included mounting template matches the 3.5-inch case size, so it fits the same standard cutout used by many legacy panel meters.

How do I verify the +/- 1.5 % accuracy after installation?

Apply a known AC voltage within the 0-300 V scale and confirm the needle deflection falls within 1.5 % of the true value.

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