SE Digest 178

General Purpose Relays

Legacy General Purpose Relays

Refer to Catalog 8501CT1105

www.se.com/us

70-781D5R-1A and 70-781T-1 Socket Specifications Part Number 70-781D5R-1A

70-781T-1

Contact Configuration Number of Terminals

SPDT

SPDT

5

5

Mounting Style Current Rating

Panel or DIN rail

PCB 10A

16A

Nominal Voltage Rating

300V

300V

Storage

−40 to +85°C (−40 to +185°F)

−40 to +105°C (−40 to +221°F) −40 to +55°C (−40 to +131°F)

Temperature Range

23 RELAYS AND TIMERS

Operating −40 to +55°C (−40 to +131°F)

Protection Category Internal Metal Tracks

IP20

—

Copper Alloy, Zinc Plated

Copper Alloy, Zinc Plated Copper Alloy, Zinc Plated

Steel, Zinc Plated Combination Head M3 mm / M3.5 mm 7 lb-in (0.8 N•m) 9 lb-in (1.0 N•m) Screw Clamping

Screw Terminals

Screw Style ScrewSize

— —

M3

Maximum Screw Torque

M3.5

Terminal Connection

PCB

Terminal Layout

Mix

Mix

Solid Copper Two 12 AWG (two 4 mm²) without cableend

—

Maximum Wire Size

Stranded Copper

Two 14 AWG (two 2.5 mm²) with cableend

— — —

DIN Rail Mounting, EN 60715 Chassis Mount Screw Torque

35mm

7 lb-in (0.8 N•m)

Flammability Rating

94V-0

94V-0

Weight

31 g (1.09 oz)

18 g (0.63 oz)

UL (E70550), CE, CSA (168986), RoHS

Agency Approvals

UL (E70550), CE, RoHS

Dimensions, in, (mm)

(30.0) 1.18

0.74 (19.0)

0.67 (17.0)

Recommended Printed Circuit Board Layout Top View

(18.0) 0.7

0.012 (0.3)

14

0.08 (2.03)

5

3.33 (84.0)

0.185 (4.7)

Hole Size 0.09 (2.28) Dia.

12

(30.9) 1.21

1

0.23 (5.8)

0.16 (4.0)

1.0 (25.0)

Hole Size 0.07 (1.27) Dia.

0.232 (5.9)

0.12 (3.0)

3.14 (80.0)

0.16 (4.0)

(3.55) 0.14

1.57 (40.0)

(8.0) 0.316

NEMA: IEC:

A1

A2

INPUT

14

Coil Terminals 0.059 (1.49) Typ.

13

0.151 (3.8)

11

9

Contact Terminals 0.079 (2.0) Typ.

0.4 (12.1)

(21.0) 0.82

70-781D5R-1A

70-781T-1

Wiring Diagrams

(14) 1 (12) 5

1 5

COM N.C. N.O.

9

14 13

Input

N.C.

Module Input

5 (14) 1 (12)

N.O.

(A2) 14

13 (A1)

Input

9

(11)

COM.

(11) 9

14 13

Input

(A2)

(A1)

(IEC) NEMA

(IEC) NEMA

70-781D5R-1A

70-781T-1

23-42

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