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Model T2DR25, T2DR40, T2DR80 Draw-out Mechanisms
Model
T2DR25
T2DR40
T2DR80
Instruction Manual
for
Applicable products
E250-N□
S160-N□, S160-G□, S225-N□, S225-G□
S250-N□, S250-G□
Cannot be applied to electronic breaker (with LCD or Pretrip
alarm)
E400-N□
S400-C□, S400-N□, S400-G□, S400-P□
S800-C□, S800-N□, S800-R□, S800-P□
Please carefully store this instruction
manual in an easily accessible place.
Number of
poles
3P, 4P
3P, 4P
3P, 4P
KRB-5394b
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Summary of Contents for TERASAKI T2DR25
- Page 1 Instruction Manual Model T2DR25, T2DR40, T2DR80 Draw-out Mechanisms Number of Model Applicable products poles E250-N□ S160-N□, S160-G□, S225-N□, S225-G□ T2DR25 3P, 4P S250-N□, S250-G□ Cannot be applied to electronic breaker (with LCD or Pretrip alarm) E400-N□ T2DR40 3P, 4P S400-C□, S400-N□, S400-G□, S400-P□...
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Page 2: Table Of Contents
4-3. Mounting the removed breaker in the ISOLATED position ····································· 5 4-4. Inserting the breaker from the ISOLATED position to the CONNECTED position ········ 5 5.Standard arrangement for plug-in type auxiliary circuit terminals ······························ 6 6.Locking ··············································································································· 7 7.Outline dimensions (T2DR25, T2DR40, T2DR80) ·············································· 8-10 KRB-5394b... -
Page 3: Introduction
1. Introduction The model T2DR25, T2DR40, T2DR80 draw-out mechanisms allow the breaker to be locked in either of two positions: CONNECTED and ISOLATED (see Table 1). Table 1: Breaker position Breaker Auxiliary Display of position Main circuit Remarks position circuit... -
Page 4: Precautions For Installation
⑩Rail groove Mounting bolt ・ ・ the angle using 4 mounting bolts. ・ Table 2: Mounting bolts dimensions table ・ ・ Hexagon bolt For T2DR25 M6×20 Hexagon bolt For T2DR40 M8×25 ・ Hexagon bolt For T2DR80 M12×35 ③Draw-out cradle 2. During the assembly of the switchboard, spread a cover over the breaker and its draw-out cradle. -
Page 5: Precautions For Conductor Connections And Control Circuit Wiring
Insufficient clamping would cause overheat or excessive clamping would cause the screw to be damaged. Therefore, tighten the screw using the suitable tool for the screw size. Table 3: Terminal detail dimensions table T2DR25 T2DR40 T2DR80 8.8～14.7 N･m 18.6～29.4 N･m 32.3～51.9 N･m... -
Page 6: Operation Procedures
5. Do not configure the control circuit between the Breaker Breaker input and output of the breaker. This is dangerous because the circuit still remains closed even if the breaker is turned OFF. Correct Incorrect 4. Operation procedures 4-1． Drawing from the CONNECTED position to the ISOLATED position 1）... -
Page 7: 4-2.Removing The Breaker In The Isolated Position
2) When ⑪draw-out handle is slowly turned clockwise until it becomes loose, ②position indicator shows "CONNECTED.”If the breaker is not inserted at max. operating torque, contact us. Table 4: Draw-out handle operating torque table in case of connection operation T2DR25 T2DR40 T2DR80 Max. -
Page 8: Standard Arrangement For Plug-In Type Auxiliary Circuit Terminals
Internally mounted accessories auxiliary circuit terminals base mounting Position switches base mounting T2DR25 draw-out cradle visual appearance Table6. Arrangement for plug-in type auxiliary circuit terminals (from the front of the draw-out cradle) T2DR25 T2DR40, T2DR80 AXa1 AXa2 ALa1 C1 PSa1... -
Page 9: Locking
6. Locking When the breaker is in the "CONNECTED" position, it can be locked by turning the breaker handle to the OFF position. 5-1. Lockup with a cylinder key (optional) Turning the key counterclockwise locks the breaker, while turning it clockwise unlock the breaker.
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