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MB307N 4DO 4-Channel Digital Output 5A/250VAC Relay Output Modbus Rtu Io Module

Marsoni M251S
Sale price$52.00
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MB307N 4DO 4-Channel Digital Output 5A/250VAC Relay Output Modbus Rtu Io ModuleMB series Modbus IO Module AI + AO MB307B 8AI View MB307J 16AI View MB308Z 24AI View MB308F 32AI View MB307C 4AO View MB307A 8AI+4AO View MB308J 16AI+4AO View MB308Q 32AI+4AO View DI + DO MB307G 16DI View MB308D 32DI View MB307N 4DO View MB328A 16DO View MB308M 24DO View MB307P 8DI+4DO View MB307E 8DI+8DO View MB328B 8DI+16DO View MB308K 16DI+12DO View MB308L 24DI+6DO View AI + AO + DI + DO MB307F 8AI+8DI View MB308W 8AI+24DI View MB308U 16AI+16DI
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  • We offer a 30-day return/exchange service after receiving.
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4.3 ★★★★★
Based on 2322 reviews
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Product Reviews
M
Verified Purchase
Mary Freeman
Charlottesville, US
★★★★★ 5
amazing
Color: Large Set of 4
good buy worked well
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 13, 2026
S
Verified Purchase
Steve
Belleville, US
★★★★★ 4
3.5, Not 3.0
Color: Medium Set of 6
These balls were almost exactly what I needed. I was replacing my boy’s favorite ball, which is the 3” squeaky, spikey ball that fits in the chuck it launcher. Unfortunately I saw the shiny object next to it and because there were SIX balls and a dollar less, I failed to see that these are 3.5” balls instead of 3”…. Great balls but no fitty in the slingy. Buyer beware. No chuck it no problem. Save a buck.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 9, 2026
H
Verified Purchase
HollisHoHo
Dallas, US
★★★★★ 5
MY CHIHUAHUA LOVES THESE BALLS!!
Color: Samll Set of 8
My little chihuahua, BamBam, is addicted to balls, especially little balls that squeak! However, any balls that have material on them, BamBam will tear them apart, swallow the material and then get an upset tummy! These balls saved the day! BamBam LOVES them & she cannot tear them apart! They hold up so well! No matter how much BamBam plays with them, they keep squeaking away!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on July 15, 2025
L
Verified Purchase
Laurens springerslng
Boise, US
★★★★★ 5
Great thick squeaky ball
Color: Large Set of 2
These are good thick rubbery squeaky balls. My boy loves them! He's 75lbs. Strong chewer. I hav hard time squeezing to squeak, but he doesn't... He loves it!!!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 24, 2026
G
Verified Purchase
g a ross
Louisville, US
★★★★★ 5
Squeaky ball
Color: Large Set of 4
Perfect squeaky ball. Dogs love them. I love that they're durable and their thickness aids their durability. My Great Dane will play alone for hours with a ball.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 20, 2025

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