Protection Relays
Voltage Monitoring Relays
201-XXX-SP SERIES
General Characteristics
Ambient Temperature Range
Operating
Storage
Maximum Input Power
Transient Protection (Internal) 2500 V for 10 ms
Safety Marks
UL (OT08PC octal
socket required)
Dimensions
Specifications
Input Characteristics
Line Voltage:
-40° to 70°C (-40° to 158°F)
-40° to 80°C (-40° to 176°F)
5 W
201-100-SP
201-200-SP, 201-200-SP-T-9 190–240 V ac
Frequency
Functional Characteristics
Low Voltage (% of setpoint)
Trip
95–120 V ac
50/60 Hz
UL 508 (File #E68520)
90 %
93 %
H 44.45 mm (1.75”); W 60.325 mm (2.375”);
D 104.775 mm (4.125”) (with socket)
0.8 lb. (12.8 oz., 362.87 g)
DIN rail or surface mount
(plug in to OT08PC socket)
Reset
For 201-200-SP-T-9 only:
High Voltage (% of setpoint)
Trip
Weight
Mounting Method
110 %
107 %
Reset
Socket Available
Model OT08PC (UL Rating 600 V)
Trip Delay Time:
High/Low Voltage Fault
Restart Delay Time:
After a Fault
4 seconds
2 seconds
The 600V socket can be surface mounted or installed on DIN Rail.
After a Complete Power Loss 2 seconds
Output Characteristics
Output Contact Rating (SPDT)
Pilot Duty
General Purpose
480 VA @ 240 V ac
10 A @ 240 V ac
© 2020 Littelfuse, Inc.
www.littelfuse.com/201xxxsp
Rev: 12-A-0621721260