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Due to RMS continuous product improvement policy this information is subject to change without notice. 1B230/Issue F/15/08/07/3/5
AUXILIARY SUPPLY BURDEN
(At 110V DC)
Less than 5W independent of range with output relays picked up.
AUXILIARY SUPPLY
20-70V AC/DC switchmode supply or
40-275V AC / 40-300V DC switchmode supply
Burden: Less than 7 watts during timing
Inputs:
A high efficiency switchmode power supply is incorporated which
provides a low burden to the auxiliary supply and operates over
the range 75 to 140V AC & 70 to 150V DC.
Input Transients:
Withstands multiple high energy transients & ring waves in
accordance with IEEE28 - ANSI C26.1 Cat. II, accordingly:
0.5uS 100KHz
6KV O/C, 500A S/C, 4J
1.2/50uS
6Kv
O/C
8/20uS
3KA S/C, 80J clamped at 1,000V
Mains conducted EMI within limits specified by AS 3548 Class B.
Isolation:
The inputs are isolated from the outputs in accordance with AS
3260 Class II Limited Current Circuitry, accordingly:
Withstand voltage of 2.5Kv RMS 50Hz for one minute
Creepage & clearance distance greater than 4mm
Output leakage current less than 0.25A to earth
Power Supply Alarm Relay:
A normally closed contact rated at 10A 250V AC & isolated as per
AS 3260 is energized when both the auxiliary supply & internal
24V DC rail is within acceptable limits. The relay faulty alarm
output will be set if the incoming supply or switch mode circuit
fails.
Output Protection:
Outputs will withstand continuous short circuit. Output regulators
& switching control regulator are thermally protected.
SCHRACK OUTPUT CONTACT RATINGS
Make & carry
30A AC or DC (Limits L/R=40ms & 300V max.) for 0.2s
20A AC or DC (Limits L/R=40ms & 300V max.) for 0.5s
5A AC or DC continuously
Break
(Limits 5A & 300V max.)
1,250VA AC resistive
250VA at 0.4PF AC inductive
75W DC resistive
30W DC inductive L/R = 40ms
50W DC inductive L/R = 10ms
Minimum recommended load
0.5W, 10mA or 5V minimum.
Relay Ratings
AMBIENT OPERATING TEMPERATURE RANGE
-5 to 55 degrees C.
NOISE IMMUNITY
Withstands the high frequency interference test detailed in IEC
255-22-1.
INSULATION WITHSTAND i
n accordance with IEC 255-5:
2KV RMS & 1.2/50 5KV impulse between:
♦
all input terminals & frame
♦
all output terminals & frame
♦
all input & output terminals
♦
each input group
♦
each output group
Across open contacts:
1KV RMS
ELECTROSTATIC DISCHARGE
EN61000-4-2:1995 8KV
Level 3
FAST TRANSIENT DISTURBANCE
EN61000-4-4:1995 4KV
Level 4
CASE
Size 4 draw out
56 M4 screw terminals
Flush panel mount or 4U high 1/4 width 19 inch rack mount
IP51 rating
ACCESSORIES SUPPLIED WITH EACH RELAY
1 x M4 self threading mounting screw kit
P/N 290-406-151
2 x M4 terminal screw kit (28 per kit)
P/N 290-407-153
1 x Product Test Manual
SHIPPING DETAILS
Each relay is supplied individually packed in pre formed
cardboard cartons with internal moulded polystyrene former.
Weight: 3Kg
Size:
370(L) x 240(W) x 145(D)mm - Size 4 case
For large shipment individual cartons are packed in sturdy cardboard
pallet boxes & surrounded by loose fill to absorb vibration & shock
during transit.