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Industrial Electrical & Process Components
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Timers & Monitors

Industrial timing relays, voltage/current/phase monitors, and solid-state relays that protect and sequence equipment.

Anderson-Bolds supplies industrial timers and timing relays from ATC and SSAC, three-phase and voltage/current monitor relays from ATC Diversified, and solid-state relays from Carlo Gavazzi. Phase monitors protect three-phase motors from phase loss, reversal, and unbalance.

4 products
FeaturedATC Series 365 Programmable Time Delay Relay
ATC

ATC Series 365 Programmable Time Delay Relay

SKU: 365-100-Q-10-PX
In stock — ships today
$176.40
SSAC TRDU Universal Time Delay Relay
SSAC

SSAC TRDU Universal Time Delay Relay

SKU: SSAC-TRDU24
In stock — ships today
$92.00
ATC Diversified 3-Phase Voltage Monitor Relay, 440V
ATC Diversified

ATC Diversified 3-Phase Voltage Monitor Relay, 440V

SKU: ATCD-SLA-440
In stock — ships today
$134.00
Carlo Gavazzi RM1A Solid-State Relay, 50A 480V
Carlo Gavazzi

Carlo Gavazzi RM1A Solid-State Relay, 50A 480V

SKU: CG-RM1A48D50
Low stock — order soon
$118.00
Authorized lines

Brands in Timers & Monitors

Carlo GavazziAutonicsATCATC DiversifiedSSAC

Timers & Monitors — questions buyers ask

What does a phase monitor relay protect against?

It protects three-phase equipment from phase loss, phase reversal, voltage unbalance, and over/under-voltage by opening a control contact before the fault damages the motor.