0.1-10A Electronic Overload Relay Compressors motor protection relays
Description
Diemensions:70*67*98mm
Weight:300g
Protection Degree :IP 20
Output Type: 1 C/O
Contact Capacity: 5A 250VAC/30VDC
Indicators: LED indicating current
Protective Functions : Lock-rotor,Overcurrent,Undercurrent,Phase loss,Phase unbalance
Operating Current Range: 0.1-10A
Rated Supply Voltage : 220VAC,380VAC,50/60Hz
Operating Voltage Range:+10 / -15% Max Of The Rated Voltage
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
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.
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