Protective Relays
700 Series w/ Adjustable Time Delay
Product Specifications
Product Facts
TERMINAL STRIPS
#6 - 32 SCREWS
n
Function 32
n
ANSI/IEEE C37.90-1978
n
UL File No. E58048
n
CSA File No. LR61158
R
R
3.0
4.0
1 2
4 /
7 8
4 /
Several types of Reverse
Power Relays are available
including relays sensitive
to reverse reactive power
(kVAR). KILOVAC is the
leading brand of reverse
power relays. Our rugged
sealed construction
provides continuous
and reliable operation
unaffected by shock,
vibration or other severe
environments. Reverse
Power Relays are used for
the protection of generator
sets operating in parallel.
7 8
3 /
5 8
4 /
11 / 64" DIA.
4 MTG. HOLES
Note: Dimensions in inches. Multiply values by 25.4 for dimensions in mm.
Model 710TD
Designed for 120, 220 or 266 volt
line to neutral connection
Model 720TD (X) thru 724TD (X)
For operation on three phase,
three wire
Ordering Information
Sample Part Number 䊳
Line Voltage —
Model 710TD — 120 V, 220 V or 266 V,
line to neutral
Model 730TD — 120 V, 230 V, 380 V,
460 V, L-L, 3 Phase or 120 V, Single
Phase, L-N
All models for three phase, three wire
sensing are available, see Ordering
Information
Line Frequency — 50-500 Hz.
Current Requirements —
0 to 5 amp max direct or from CT with
5 amp secondary
Trip Adjustment —
Screwdriver adjustable 4% to 20% (of
the 5 amp rating)
Time Delay Adjustment — 0.5 to 20
seconds, screwdriver adjustable
Output Contacts — One set N.O., one
set N.C.
Contact Ratings — 5 amp resistive at
120 AC or 28 Vdc
Power Consumption —
Voltage circuit — 2 VA max.
Current circuit — 4 VA max.
Weight — 2.75 lbs. max.
Notes:
1. Remove screw for access to the
pick-up and time delay adjustments.
2. Clockwise rotation of the pick-up
adjustment will raise the reverse
trip point.
3. Clockwise rotation of the time
adjustment will increase the time
delay.
4. Polarity of the voltage and the current connections must be
observed for true power sensing.
5. Interchanging connections on
terminals 5 and 6, will cause the
output contacts to pick-up on
forward power and dropout on
no power or reverse power.
720TDX
Type:
710TD = 120V, 220V, 266V line to neutral
720TD = 120V, L-L, 3 Phase
721TD = 230V, L-L, 3 Phase
722TD = 380V, L-L, 3 Phase
723TD = 460V, L-L, 3 Phase
724TD = 575V, L-L, 3 Phase
725TD = 416V, L-L, 3 Phase
730TD = 120 V, 230 V, 380 V, 460 V, L-L, 3 Phase or
120 V, Single Phase, L-N
Mounting:
X = Flange
Blank - Stud
Options:
7 = Reverse Inductive, 60 Hz
Consult factory for additional
models.
11–20
Catalog 5-1773450-5
Revised 3-13
www.te.com
Dimensions are shown for
reference purposes only.
Specifications subject
to change.
Dimensions are in millimeters
unless otherwise specified.
USA: +1 800 522 6752
Asia Pacific: +86 0 400 820 6015
UK: +44 800 267 666
For additional support numbers
please visit www.te.com
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