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23-27
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Type X Industrial Relays
Class 8501 / Refer to Catalog 8501CT9601
Square D™ NEMA Style AC Relays
8501XO40V02 AC Control Relay
8501XMO40V02 AC Master Relay
AC Control and Master Relays Dimensions
.19
5
2.23
57
1.12
28
3.50
89
3.12
79
Prov. for
(2) #8/#10 Mtg. Screws
B30080-064
A
nsions:
INCHES
Millimeters
8501XO40XTE1V02 AC Timing Relay
Class 8501 Type X relays combine a rugged, heavy-duty design with modular
construction for greater flexibility. They are ideal for applications where long life, high
reliability, and ease of maintenance are important. The Type X family offers a complete
line of relays and accessories for most control applications. The 8501X relay consists of
a standard 4 pole base to which it is possible to add additional contacts, timer, and latch
functionality. Instantaneous and Master contacts are converted from N.O. to N.C. by
flipping the contact cartridge within the base. The 8501X relay can either be built from
individual part numbers or ordered pre-assembled.
AC Control Relays
•
Straight-through wiring
•
Self-lifting pressure wire connectors
•
Plug-in contact cartridges for easy
contact conversion and replacement
•
Replaceable coil
•
Contact conversion without removing
terminal screws or wires
Table 23.90: AC Control Relays (lots of 1)
No. of N.O. 10 A Convertible Instantaneous Contacts[1] Type[1][2]
0 XO00
2 XO20
3 XO30
4 XO40
6 XO60
8 XO80
10 XO1000
12 XO1200
AC Master Relays
•
20 ampere contact rating due to use of master contact cartridges.
[3]
•
Provisions for standard cartridges to be used in contact cavities not occupied by
master cartridges in 2-8 pole AC relay.
Table 23.91: AC Master Relays
No. of N.O. 20 A Convertible Contacts
Type[2][4]
2 XMO20
4 XMO40
6 XMO60
Table 23.92: Dimension A (See Figure at Left) and Weights
No. of Poles
Dim. A
Shipping Weight, lb
in. mm
0–4 3.95 100 2.0
6–8 5.16 131 2.3
10–12 6.36 162 2.7
AC Timing Relays
•
Easily convertible On or Off
Delay
•
Convertible 1 N.O. and 1 N.C. timed contacts
•
Two adjustable timing ranges
•
Large knob for easy adjustment of time delay
•
Repeat accuracy well above
±10%
•
Off Delay mode times out even after loss of power
Table 23.93: AC Timing Relays (lots of 1)
Timing Mode
No. of N.O. 10 A
Convertible
Instantaneous Contacts
Timed
Convertible
Contacts
Timing Relay
0.2–60 s 5–180 s
N.O. N.C.
Type [2] Type [2]
On Delay
0 1 1 XO00XTE1 XO00XTE2
2 1 1 XO20XTE1 XO20XTE2
4 1 1 XO40XTE1 XO40XTE2
Off Delay
0 1 1 XO00XTD1 XO00XTD2
2 1 1 XO20XTD1 XO20XTD2
4 1 1 XO40XTD1 XO40XTD2
23
RELAYS AND TIMERS
[1] A maximum of 8 N.C. contacts is allowed on 9–12 pole relays.
[2] Voltage code must be specified to order these products. Refer to
Table 23.97 and insert the code as shown in Table 23.98.
[3] Maximum of six 8501 Type XC4 master cartridges may be used on only 7 and 8 pole AC devices.
[4] Attachments not permitted on this relay.
6/20/2017