YWBL-WH
⏳Price
$27.98
Home/Business, Industry & Science/Industrial Electrical/Controls & Indicators/Relays/Phase Monitoring Relays
Voltage Monitoring Relay, GRV8-04 3-Phase Voltage Monitoring Relay Phase Sequence Phase Failure Protection M460 35mm DIN rail Mounting
★★★★★
$27.98
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1
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About this item
- 【Feature】 This relay can monitor own working voltage (true RMS measurement).
- 【Light Weight】 With super small volume, this relay can be mounted on 35mm DIN rail.
- 【LED display】 Relay working status is indicated by LED indicators.
- 【High Precision】 8 kinds of adjustable rated voltage.Voltage measurement accuracy error is not more than 1%.
- 【Application】 Equipment protection and control (tower crane, elevator, agriculture equipment, refrigerated trucks); Protect equipment from reverse running; Normal / emergency power supply switch; Protect against phase failure of a dynamic load.
Product description
Features: 1. This relay can monitor own working voltage (true RMS measurement). 2. 8 kinds of adjustable rated voltage. 3. Voltage measurement accuracy is not more than 1%. 4. Relay working status is indicated by LED indicators. 5. With super small volume, this relay can be mounted on 35mm DIN rail. 6. Application: Equipment protection and control(tower crane, elevator, agriculture equipment, refrigerated trucks); Protect equipment from reverse running; Normal/emergency power supply switch; Protect against phase failure of a dynamic load. Specification: Function: Monitor L-L voltage (3-phase 3-wire system) Monitoring terminal: L1-L2-L3 Power: L1-L2 Rated working voltage: 220-230-240-380-400-415-440-460(P-P) Rated power frequency: 45Hz-65Hz Measuring range: 176V-552V Voltage threshold range: 2%-20% (rated voltage) Voltage fixed lag rate: 2% Voltage measurement error: ≤1% Power-on delay time: 0.5s Knob setting accuracy: 10% Reset time: 1s Temperature fluctuation error: 0.05%/°C, at=20°C Output: 1 x SPDT; 10A/ AC1; 250VAC/24VDC Minimum switching power: 500mW Overvoltage: 2%-20% Undervoltage: -20%-2% Action delay time: 0.1-10s adjustable Phase sequence protection: Yes Phase failure protection: Yes Power indicator: Green LED Output relay indication: Red LED Mechanical life: 1x107 Mounting method: 35mm DIN rail mounting Mount altitude: ≤2000m Weight: Approx. 78g/2.7oz Package list: 1 * Voltage Monitoring Relay
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What customers say about Bigamart
10 Trustpilot reviews total, with 2 shown at a time.
Trustpilot
★★★★★
Excellent
4.5 average rating
S
Sigalit
🇮🇱 · January 2026
★★★★★
I wrote to Bigamart's customer support and they accompanied the process of reshipping the item until it finally arrived. I felt a genuine effort to solve the problem till it was finally solved.
V
Verified buyer
🇦🇺 · November 2025
★★★★★
The package was here in Australia from England in a few days — so quick! Something was missing and they refunded it straight away. Pretty happy with these guys.
Showing 1–2 of 10 reviews
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