49121T200 Tyco Electronics, 49121T200 Datasheet - Page 2

• Manufacturer Part Number: 49121T200
• Description: RELAY PWR 120VAC SPDT SEAL PCB
• Manufacturer: Tyco Electronics
• Series: 491, CIIr

Specifications of 49121T200

• Relay Type: General Purpose
• Contact Form: SPDT (1 Form C)
• Contact Rating (current): 20A
• Switching Voltage: 277VAC
• Coil Type: Standard
• Coil Voltage: 120VAC
• Turn On Voltage (max): 102 VAC
• Turn Off Voltage (min): 18 VAC
• Mounting Type: Through Hole
• Termination Style: PC Pin, .250" Quick Connect
• Circuit: SPDT (1 Form C)
• Contact Rating @ Voltage: 20A @ 277VAC
• Control On Voltage (max): 102 VAC
• Control Off Voltage (min): 18 VAC
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Coil Current: -
• Other names: 4-1608026-2

510
Sealed Case for
PC Board Mounting
Ordering Information
Our authorized distributors are more likely to maintain the following items in stock for immediate delivery.
Outline Dimensions
Open Style
Sealed Case for
Panel Mounting
Wiring Diagrams (Bottom Views)
1 Form A
491-21T200
491-21Q200
Dimensions are shown for
reference purposes only.
1. Basic Series:
2. Enclosure & Terminals:
3. Contact Arrangement:
4. Coil Input:
5. Contacts:
6. Coil Insulation and Special Features:
491 = AC coil, printed circuit board/panel power relay.
1 = Dust Cover, PC terminal.
2 = Sealed Case, PC terminal.
6 = Sealed Case, Panel Mount, .110 Coil Terminal.
1 = 1 Form C (SPDT)
P = 12VAC
2 = Silver-cadmium oxide
00 = Standard, UL Class B Coil Insulation System
F0 = Special, UL Class F Coil Insulation System
491-24T200
491-24Q200
Q = 24VAC
1 Form B
1.26 MAX.
(32.5)
(50.3 MAX.)
1.99 MAX.
4 = 1 Form A (SPST-NO)
(43.5)
1.71
(2.8)
1.08 MAX.
.11
491-61T200
491-61Q200
(27.5)
.25 QC
(6.35)
(27.5 MAX.)
1.08 MAX.
T = 120VAC
Dimensions are in inches over
(millimeters) unless otherwise
specified.
1.18 MAX.
(30 MAX.)
3 – .25 QC
(6.35)
1 Form C
(22.9)
.9
(10.24)
(5.4)
.21
7 = Sealed Case, Panel Mount, .187 Coil Terminal.
8 = Open Unit
.403
491-64T200
491-64Q200
M0 = Magnetic Blowout (with enclosure 1 or 2 only, not UL or CSA)
A1 - E9 = Special - Customer Specific Features
(3.5)
.11 QC
.138
.25 QC
(6.35)
(2.8)
Typical Part Number
5 = 1 Form B (SPST-NC)
U = 220VAC
(16.2)
.63
(31.1)
1.22
Issued 3-03 (PDF Rev. 1-06)
1.10 MAX.
1.10 MAX.
(28 MAX.)
(28)
Catalog 1308242
(7.7)
.3
(17.8)
(32.5 MAX.)
1.28 MAX.
.7
(3.8)
B
.15
Specifications and availability
subject to change.
Mounting Hole Pattern
(43.5)
1.71
2 – 0.12 (3.2) DIA. or M3
(23.4)
491
.921
(10.2)
.4
3 – .047
(15.24)
(1.2)
PC Board Layout (Bottom View)
.6
(7.62)
.30
(3.81)
(2.54)
.15
2 – .024 DIA.
.1
-1
(2.8)
.11
(.6)
(6.1)
.24
(13.97)
.55
(17.8)
.7
1
3 – .08 DIA.
2 – .04 DIA.
(2.0)
G
(1.0)
Reference Only
www.tycoelectronics.com
Technical support:
Refer to inside back cover.
2
00
P&B