LINETRAXX® CME420

Multi-functional current relay, AC, overcurrent/undercurrent/window discriminator function

Undercurrent and overcurrent monitoring in AC systems 0.1...16 A
Indirect current monitoring with standard current transformers x/5 A
Transformation ratio n allows adaptation to all standard current transformers x/5 A
Different monitoring functions selectable < I, > I or < I/> I
Start-up delay, response delay, delay on release
Adjustable switching hysteresis
r.m.s. value measurement AC
Digital measured value display via multi-functional LC display
LEDs for Power On, Alarm 1, Alarm 2
Measured value memory for operating value
Permanent self-monitoring
Test/reset button internal
Two separate alarm relays for each changeover contact
N/C or N/O operation and fault memory behaviour selectable
Password protection for device setting
Sealable transparent cover
2-module enclosure (36 mm)
Push-wire terminal (two terminals per connection)
RoHS-compliant

CME420-D-1:
Supply voltage US: AC 16...72 V/DC 9,6...94 V
Frequency range US: 42...460 Hz
CME420-D-2:
Supply voltage US: AC/DC 70...300 V
Frequency range US: 42...460 Hz
Power consumption: ≤ 4 VA

Undercurrent (Alarm 2): Direct connection: AC 0.1...16 A (1 A)
Overcurrent (Alarm 1): Direct connection: AC 0.1...16 A (10 A)
Current transformer x/5 A: 0.1 x n...999 A (10 A)
Transformation ratio n: 1...2000 (1)
Relative uncertainty: ± 3 % ±2 digit (within the range 50/60 Hz) 
Relative uncertainty: ± 5 % ±2 digit (within the range 40...460 Hz)
Hysteresis: 	1...40 % (15 %) 
Number of switching elements: 2 relays with 1 changeover contact each
Start-up delay t: 0...99 s (0.5 s)
Response delay ton1: 0...99 s (1 s)
Response delay ton2: 0...99 s (0 s)

History memory (HiS) for the first alarm value data record measured values
Password protection: off/0...999 (off/0)
Connection type: Push-wire terminals/Screw terminals 
EMC IEC 61326-1
Operating temperature: -25...+55 °C

Manufacturer:
Bender GmbH & Co. KG
Londorfer Straße 65
35305 Gruenberg

Type: CME420-D-1
Article number: B73060001

Type: CME420-D-2
Article number: B73060002