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Siemens Monitoring Relay, 3 Phase, DPDT, DIN Rail, 5mA to 5A

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RS 제품 번호:
149-163
제조사 부품 번호:
3UG5616-1CR20
제조업체:
Siemens
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브랜드

Siemens

Product Type

Monitoring Relay

Electrical Phase

3

Contact Configuration

DPDT

Mount Type

DIN Rail

Minimum Current Sensed

5mA

Power Consumption

2W

Maximum Current Sensed

5A

Terminal Type

Screw

Time Delay

0.1 to 30 s

IP Rating

IP20

Relay Contact Current

3A

Supply AC Voltage

120, 690V ac

Minimum Operating Temperature

-25°C

Maximum Operating Temperature

60°C

Standards/Approvals

UL, IEC 60664, RoHS, EAC, CCC

Width

22.5mm

Height

100mm

Series

3UG5

Length

90mm

Better World Product

Yes

Better World Claim

Concentrated or Compact Solution

Siemens 3UG5 Series Monitoring Relay, 120 to 400V Supply AC Voltage, 0.1 to 30s Time Delay - 3UG5616-1CR20


This monitoring relay is a digitally adjustable network monitor designed for line supervision in three-phase AC installations. It checks phase sequence, phase loss, asymmetry, frequency and both over- and undervoltage within industrial supply networks, and provides relay switching to protect downstream equipment in control panels mounted on a 35mm DIN rail.

Features & Benefits


• 0.1–30 s adjustable response delay for tailored start-up protection
• Monitors 3 x 90–690 V AC and 15–70 Hz for wide voltage/frequency ranges
• Two changeover contacts delivering 3A switching for control circuits
• Auto-reset and adjustable N-conductor recognition for flexible operation
• Detects phase asymmetry and phase failure to prevent motor stress
• Screw terminals accepting up to 4 mm² conductors for secure connections

**Applications**


• Suitable for monitoring supply integrity to three-phase motors
• Ideal for integration into machine control panels on DIN rails
• Used for protective supervision of distribution boards and feeders
• Can be used for frequency-sensitive equipment protection
• Suitable for installations requiring adjustable voltage window detection

What input supply voltages will operate the device?


It accepts AC control supply from 120–690 V across 50/60 Hz with an operating range factor from 0.85 to 1.1.

How precise is the voltage and timing measurement?


Relative metering precision is 3% with a digital-display accuracy of ±1 digit and temperature drift of 0.001%/°C.

What isolation and surge resilience does it provide?


The unit offers galvanic isolation between inputs and outputs and surge resistance up to 6kV, with conductor-to-conductor surge rating to 1kV.

What are the expected mechanical and electrical lifetimes?


Typical mechanical life is 10 million cycles and electrical endurance around 100,000 cycles at AC-15/230 V.

How should short-circuit protection be arranged for the relay contacts?


Use gL/gG fuses rated 6 A or an MCB type C at 1 A for protecting both NO and NC contact circuits.

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