52
Standards UL 508, IEC/EN 60947-1, IEC/EN 60947-4-1, UL 508, K60947Certifications *Refer to page 63
Rated insulation voltage (Ui) 690VRated impulse withstand voltage (Uimp) 6kV
Degree of protection IP20 (Conforming to IEC 60529)Ambient air temperature Operation: -23~104°F (-5°C~+40°C)
Operating altitude 6500ft (2000m)Relative Humidity 45–85%
Vibration resistance (conforming to IEC68-2-6), 5~300 Hz 10-55Hz, 19.6 m/s², <2gShock Resistance 49 m/s², <5G
ENVIRONMENTAL SPECIFICATIONS
225AF
P/N: MTK-225/3-xxx
400AF
P/N: MTK-400/3-xxx
800AF
P/N: MTK-800/3-xxx
• Compatible Contactors: MRC-185A~MRC-225A
• Compatible Contactors: MRC-330A~MRC-400A
• Compatible Contactors: MRC-650A~MRC-800A
40AF
P/N: MTK-32/3-x
65AF
P/N: MTK-63/3-xL
100AF
P/N: MTK-95/3-xxL
150AF
P/N: MTK-150/3-xxL
• Compatible Contactors: MRC-9B~MRC-40A, MRD-9B~MRD-40A
• Mounting Unit: UZ-32
• Compatible Contactors: MRC-50LA~MRC-65LA, MRD-50LA~MRD-65LA
• Mounting Unit: UZ-63L
• Compatible Contactors: MRC-75LA~MRC-100LA, MRD-75LA~MRD-100LA
• Mounting Unit: UZ-95L
• Compatible Contactors: MRC-130LA~MRC-150LA, MRD-130LA~MRD-150LA
• Mounting Unit: UZ-150L
THERMAL OVERLOAD RELAYSFRAME SIZE OVERVIEW
53
MOTOR PROTECTION RELAYS
THERMAL
THERMAL OVERLOAD RELAYS & SEPARATE MOUNTING UNITS
FRAME SIZE OVERLOAD PART #RELAY SETTING RANGE
CONTACTOR MODELS OVERLOAD SEPARATE MOUNTING UNITSAMP
40AF
MTK-32/3-0.16 0.1~0.16
MRC-9BMRC-12BMRC-18BMRC-22BMRC-32AMRC-40AMRD-9BMRD-12BMRD-18BMRD-22BMRD-32AMRD-40A
UZ-32
MTK-32/3-0.25 0.16~0.25MTK-32/3-0.4 0.25~0.4
MTK-32/3-0.63 0.4~0.63MTK-32/3-1 0.63~1
MTK-32/-3-1.6 1~1.6MTK-32/3-2.5 1.6~2.5MTK-32/3-4 2.5~4MTK-32/3-6 4~6MTK-32/3-8 5~8MTK-32/3-9 6~9MTK-32/3-10 7~10MTK-32/3-13 9~13MTK-32/3-18 12~18MTK-32/3-22 16~22MTK-32/3-25 18~25MTK-32/3-32 22~32MTK-32/3-40 28~40
65AF
MTK-63/3-6L 4~6
MRC-50LAMRC-65LAMRD-50LAMRD-65LA
UZ-63L
MTK-63/3-8L 5~8MTK-63/3-9L 6~9MTK-63/3-10L 7~10MTK-63/3-13L 9~13MTK-63/3-18L 12~18MTK-63/3-22L 16~22MTK-63/3-25L 18~25MTK-63/3-36L 24~36MTK-63/3-40L 28~40MTK-63/3-50L 34~50MTK-63/3-65L 45~65
100AF
MTK-95/3-10L 7~10
MRC-75LAMRC-85LAMRC-100LAMRD-75LAMRD-85LAMRD-100LA
UZ-95L
MTK-95/3-13L 9~13MTK-95/3-18L 12~18MTK-95/3-22L 16~22MTK-95/3-25L 18~25MTK-95/3-36L 24~36MTK-95/3-40L 28~40MTK-95/3-50L 34~50MTK-95/3-65L 45~65MTK-95/3-75L 54~75MTK-95/3-85L 63~85MTK-95/3-95L 70~95MTK-95/3-100L 80~100
150AF
MTK-150/3-50L 34~50
MRC-130LAMRC-150LAMRD-130LAMRD-150LA
UZ-150L
MTK-150/3-65L 45~65MTK-150/3-75L 54~75MTK-150/3-85L 63~85MTK-150/3-105L 80~105MTK-150/3-130L 95~130MTK-150/3-150L 110~150
225AF
MTK-225/3-100 65~100
MRC-185AMRC-225A
N/AMTK-225/3-125 85~125MTK-225/3-160 100~160MTK-225/3-185 120~185MTK-225/3-240 160~240
400AF
MTK-400/3-125 85~125
MRC-330AMRC-400A
N/A
MTK-400/3-160 100~160MTK-400/3-185 120~185MTK-400/3-240 160~240MTK-400/3-330 200~330MTK-400/3-400 260~400
800AF
MTK-800/3-300 200~300MRC-650AMRC-800A
N/AMTK-800/3-400 260~400MTK-800/3-600 400~600MTK-800/3-800 520~800
ORDERING INFORMATION
MOTOR PROTECTION RELAYS – THERMAL OVERLOAD RELAYS
54
DIMENSIONS
TERMINAL COVER UNITS
OVERLOAD RELAYS (40AF~100AF)
MODEL DIMENSIONS (IN) WT. (LBS)
MTK-32
1.77
2.94
0.69
0.15 3.40
2.56
95-NC-96
2T1 4T2 6T3
97-NO-98
0.37
MTK-63
0.69
0.15 3.79
2.26
2.17
3.17
0.21
95-NC-96
2T1 4T2 6T3
97-NO-98
0.67
MTK-95
2.75
3.83
0.24
0.69
0.15 4.19
2.55
95-NC-96
2T1 4T2 6T3
97-NO-98
1.04
MOTOR PROTECTION RELAYS – THERMAL OVERLOAD RELAY
OVERLOAD TERMINAL COVER UNITS
OVERLOAD MODEL PART NUMBER REMARKSMTK-220 APT-220
2 pcs includedMTK-400 APT-400MTK-800 APT-800
55
MOTOR PROTECTION RELAYS
THERMAL
DIMENSIONSOVERLOAD RELAYS (150AF~800AF)
MODEL DIMENSIONS (IN) WT. (LBS)
MTK-150
2.64 2.40
4.453.74
4.29
1.54
MTK-225
1.851.85
2.58
4.47
7.24
5.79
5.55
5.51
MTK-400
3.35
5
7.80
4.43
5.94
5.63
6.73
5.73
MTK-800
12.60
9.84
14.17
7.05
9.06
19.69
20.87
7.87
6.30
25.35
MOTOR PROTECTION RELAYS – THERMAL OVERLOAD RELAY DIMENSIONS
56
DIMENSIONSOVERLOAD RELAYS (SEPARATE MOUNT)
MODEL DIMENSIONS (IN) WT. (LBS)
UZ-32
3.35
3.66
1.38
3.72 0.13
2.91
1.77
1.00
0.15
UZ-63
4.28
2.70
4.23
2.17
1.57
1.66
3.72
5
0.30
UZ-95
4.70
3.01
2.76
2.36
4.72
4.33
1.76
0.51
UZ-150
3.74
5.51
4.77
2.72
3.23
5.00 0.63
MOTOR PROTECTION RELAYS – THERMAL OVERLOAD ASSEMBLY
57
MOTOR PROTECTION RELAYS
THERMAL
PARTS
1.3.
2.
4.
1.
6.
7.
8.
5.
11.
10-.
12.
9.
NO. PART NO. PART NO. PART1. Contactor - - 11. Overload Mounting Unit2. Interlock Unit 7. Auxiliary Contact Unit (Front Mount, 2-Pole) 12. MMS/Contactor Mounting Unit3. Auxiliary Contact Unit (Side Mount) 8. Auxiliary Contact Unit (Front Mount, 4-Pole) 13. Manual Motor Starter4. Surge Unit 9. Direct Adaptor to MMS - -5. Wire Kit 10. Overload Relay - -
MOTOR PROTECTION RELAYS – THERMAL OVERLOAD RELAY ASSEMBLY