Phase Loss Protection Electronic Overload Relay 3-100A 380VAC
MDB-1Z
Features
1. Compact modular size with integrative structure
2. Built-in LED and keypad afford a precise,digital setting
3. Three-phase monitoring of short-circuit,
locked-rotor,overcurrent,undervurrent, phase loss, phase unbalance
4. Adjustable reset mode:automatic reset or manual reset 5. Adjustable power-on delay 6. 1 C/O contact
Technical Data
| Type | MDB-1Z/D | MDB-1Z/F |
| Current range | 0.1-10A 1-100A | 1-30A 3-100A 0.1-999A |
| Time-current characteristic | definite time | definite time & inverse time selectable |
| Rated voltage | 220VAC,50/60Hz |
| Measurement error | 1% |
| Protective functions | Overcurrent,undervurrent, locked-rotor, phase loss, phase unbalance |
| Additional functions | power-on delay,auto reset |
| Indicators | LED indicating current,operation status |
| Output contacts | 1 C/O |
| Contact capacity | 5A 250VAC |
| Dimensions (L x W x D) | 70×55×98mm |
| Mounting | screw fixing |
Functions Data
| Functions | Condition & Setting Range | Delay Time |
| Overcurrent | Condition : load current (in) exceeds setting current (Is),i.e., In Is.
Setting range:as per model | Def:0.1~60s
Inv:1~5 |
| Undercurrent | Condition : load current (In) exceeds
setting current (uc),i.e.,In uc.
Setting range:0~80%*Is | 0.1~60s
adjustable |
Lock-rotor
(STALL | Condition : In Lock-rotor current setting (lr).
Active once motor starting.
Setting range:1.5*Is ~ 10*Is | 0.1~60s
adjustable |
Current
unbalance
(BL) | Condition : current unbalance setting unbalance(un)
Setting range:1%~50% *Unbalance factor (%) = (Imax phase - Iaverage) / Iaverage) x 100% | 0.1~60s
adjustable |
Phase loss
(PL) | Condition : max unbalance is more than 50%
among 3 phase current.
Enable or disable : selectable | 0.1~60s
adjustable |
Guarantee
Guarantee for one year from shipped on board date. During the
guarantee period, our company will provide the free easy-damaged
spare part for problems caused by our quality of production or raw
material, except the damageable spare parts caused by customer's
incorrect man-made operation. After expiration, our company
provides cost spare parts for maintenance.
FAQ
Q1. What advantages do you have?
A1. Ginri Power Automation are the direct Manufacturer in Wenzhou
China from 1995, we have professional developing, marketing &
production team to offer you the most competitive price and best
service.
Q2. What’s your main product?
A2. We are 100% focus on Automation Products Voltge Monitoring
Relay, Motor Protection Relay, Relay Modules, and
Connector-Terminal Conversion Units.
Q3. Could you print our own logo?
A3. Yes, Our company are available for Retail & Wholesale & OEM &
ODM.
Q4. How long is the quality guarantee?
A4. 18 month warranty, our products are 100% inspection.
Q5. How long is the deliver time?
A5. It usually takes about 3 - 5 working days for sample order and
10 - 25 days for big order.
Q6. What is your payment terms?
A6. Our Payment term is T/T,, Western Union, PayPal, Money Gram,
L/C at sight.
