SEM1401 STATUS, SEM1401 Datasheet
SEM1401
Manufacturer Part Number
SEM1401
Description
TRIP AMPLIFIER, SINGLE OUTPUT
Manufacturer
STATUS
Datasheet
1.SEM1401.pdf
(2 pages)
Specifications of SEM1401
Input Type
Two Wire
No. Of Input Channels
1
Mounting Type
Panel
Svhc
No SVHC (15-Dec-2010)
External Depth
60mm
External Length / Height
60mm
External Width
21mm
No. Of Output Channels
1
Contact
RoHS Compliant
No. Of Channels
1
No. Of Outputs
1
Rohs Compliant
NA
Contact Configuration
SPCO
Contact Current Ac Max
2A
Contact Current Dc Max
2A
Contact Voltage Ac Max
250V
L O O P P O W E R E D T R I P A M P L I F I E R S
SEM1401 AND SEM1402
The SEM1401 and SEM1402 are loop powered trip amplifiers designed to accept a (4 to 20) mA signal from a transmitter and to
provide a single trip output (SEM1401) or two individual trip outputs (SEM1402) sharing the same common. Utilizing the loop
power means that no separate supply is required to power the trip alarms with resulting cost reductions and simplified
wiring.
Their small size and the mains line relay contacts make them the ideal choice for many trip alarm applications.
INPUT
Type
Protection
Loop Drop
OUTPUT
Alarm
Contact(s)
Rating
Indication
Set point
Repeatability
Hysteresis
Delay
Failure Mode
I N T R O D U C T I O N
S P E C I F I C AT I O N S @ 2 0 ° C
10 YEAR WARRANTY
LOOP POWERED
SMALL SIZE/HIGH PACKING DENSITY
MAINS RATED RELAYS
SINGLE OR DUAL TRIP
TRIP STATE LED INDICATION
ACTIVE HIGH OR LOW
Two wire (4 to 20) mA, (50 mA maximum)
Reverse connection protected
5 V maximum
HIGH or LOW Active (switch selected)
SEM1401 single relay with N.O. and N.C.
contacts. SEM1402 two single pole relays
with N.O. contacts sharing a common
connection
Resistive load 2 A @ 250 VAC/125 VDC
150 W (inductive load) maximum
Alarm LED(s) on module front face
(0 to 100) % multi-turn trim
potentiometer(s) access on module front
face
SEM1401 Adjustable (0.1 to 5) % single
turn trim pot on module front face.
SEM1402 Fixed 0.5 %
0.5 s fixed delay
On loss of signal: HIGH Alarm...No alarm
condition, LOW Alarm ...Alarm condition
(i.e. Alarm operates as if signal has
fallen to -25 % or 0 mA)
± 0.2 %
GENERAL SPECIFICATION
Breakdown Isolation
Ambient Operating
Connections
Cable Size
Case Material
Flammability
APPROVALS
EMC
3000 VAC rms between contacts and input
1000 VAC rms between contacts
BS EN61326
(0 to 50) °C (10 to 95) % RH non-condensing
Captive clamp screws
4 mm² solid/2.5 mm² stranded
Grey polyamide
To UL94-VO VDE 0304 Part 3 level IIIA
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SEM1401 Summary of contents
Page 1
... ACTIVE HIGH OR LOW The SEM1401 and SEM1402 are loop powered trip amplifiers designed to accept 20) mA signal from a transmitter and to provide a single trip output (SEM1401) or two individual trip outputs (SEM1402) sharing the same common. Utilizing the loop power means that no separate supply is required to power the trip alarms with resulting cost reductions and simplified wiring ...
Page 2
... ORDER CODE SEM1401 SEM1402 2 ALSO AVAILABLE: 1 DIN RAIL PRODUCTS SEM1000 SERIES OUT SEM1100 SEM1300 C SEM1500 CHECK WITH SALES OFFICE FOR FULL DETAILS ( TRIP TRIP HYS HYS SEM1401 SEM1401 OUT C C OUT N/C N/O N/C N LOAD SNUBBER LOAD 20 20 TRIP 1 ...