OCR-AR : Relay bảo vệ quá dòng, mất pha, lock Rotor của Samwha

OCR-AR : Relay bảo vệ quá dòng, mất pha, lock Rotor của Samwha (Bây giờ là Schneider Electric)

Main Features

  • Compact Design
  • Multiple Protection Functions
  • Wide Current Adjustment Range(10:1)
  • Ammeter Function
  • Trip Indication LED
  • High Accuracy
  • Manual Instantaneous Reset
  • Electrical Remote Reset
  • Test Function
  • Ambient Insensitive
  • Low Power Consumption
  • Fail-safe Operation(No Volt Release)
  • Automatic Reset and Adjustable Reset Timer

 

Protection

Protective Item

Operating(Trip) Time

Over-current

O-TIME

Phase Loss

O-TIME

Locked Rotor

O-TIME

 

Specficication

Current Setting

Type

Range

05

0.5 ~ 6A

30

3.0 ~ 30A

60

5.0 ~ 60A

over 60A~

With External CT

(CT ratio: 100/5A ~ 600/5A)

Time Setting

Start

D-TIME

0.2 ~ 30sec

Trip

O-TIME

0.2 ~ 10sec

Control Voltage

220

90 ~260VAC

440

320 ~ 480VAC

Output Relay

Mode

1-SPDT(1C)

Rating

3A / 250VAC Resistive

Status

Normally Energized With Power

 

 

 

 

 

 

Time-Current Characteristic

Definite

Operating(Trip) Indication

LED

Mounting

35mm DIN-Rail / Panel